<?xml version="1.0" encoding="UTF-8"?><rss xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:atom="http://www.w3.org/2005/Atom" version="2.0" xmlns:itunes="http://www.itunes.com/dtds/podcast-1.0.dtd" xmlns:googleplay="http://www.google.com/schemas/play-podcasts/1.0"><channel><title><![CDATA[ObGyn Intelligence: The Evidence of Women’s Health: (In)Fertility Intelligence]]></title><description><![CDATA[The science of getting pregnant. Debunking myths with data.]]></description><link>https://substack.obmd.com/s/fertility-intelligence</link><image><url>https://substackcdn.com/image/fetch/$s_!VHFZ!,w_256,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe4aa7dd8-21e8-4429-b724-aa3638541c01_180x180.png</url><title>ObGyn Intelligence: The Evidence of Women’s Health: (In)Fertility Intelligence</title><link>https://substack.obmd.com/s/fertility-intelligence</link></image><generator>Substack</generator><lastBuildDate>Thu, 14 May 2026 10:23:14 GMT</lastBuildDate><atom:link href="https://substack.obmd.com/feed" rel="self" type="application/rss+xml"/><copyright><![CDATA[Amos Grünebaum, MD]]></copyright><language><![CDATA[en]]></language><webMaster><![CDATA[ObGyn.Intelligence@Gmail.com]]></webMaster><itunes:owner><itunes:email><![CDATA[ObGyn.Intelligence@Gmail.com]]></itunes:email><itunes:name><![CDATA[Amos Grünebaum, MD]]></itunes:name></itunes:owner><itunes:author><![CDATA[Amos Grünebaum, MD]]></itunes:author><googleplay:owner><![CDATA[ObGyn.Intelligence@Gmail.com]]></googleplay:owner><googleplay:email><![CDATA[ObGyn.Intelligence@Gmail.com]]></googleplay:email><googleplay:author><![CDATA[Amos Grünebaum, MD]]></googleplay:author><itunes:block><![CDATA[Yes]]></itunes:block><item><title><![CDATA[You Were Told You Have PCOS. Now What?]]></title><description><![CDATA[A practical guide to getting a real diagnosis, protecting your future fertility, and knowing which doctor to see first.]]></description><link>https://substack.obmd.com/p/you-were-told-you-have-pcos-now-what</link><guid isPermaLink="false">https://substack.obmd.com/p/you-were-told-you-have-pcos-now-what</guid><dc:creator><![CDATA[Amos Grünebaum, MD]]></dc:creator><pubDate>Wed, 29 Apr 2026 19:16:15 GMT</pubDate><enclosure url="https://substack-post-media.s3.amazonaws.com/public/images/f23bc565-5790-44a7-91ab-f56a0cfb9974_1066x564.png" length="0" type="image/jpeg"/><content:encoded><![CDATA[<p>Christina is 31 years old. Her periods have been irregular since college. Her doctor told her she probably has polycystic ovary syndrome, handed her a pamphlet, and said to come back when she is ready to try to get pregnant.</p><p>She left with a diagnosis and no plan.</p><p>That is a clinical failure, and it happens every day.</p><p>PCOS affects between 8% and 13% of women of reproductive age, making it the most common hormonal disorder in women. It is also one of the most mismanaged. The diagnosis is often handed out too loosely or, conversely, missed entirely. The next steps are rarely explained. And the window between diagnosis and the decision to conceive, which can span years, is almost never used well.</p><p>If you have been told you have PCOS and you want to have children someday, this post is for you.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="https://substackcdn.com/image/fetch/$s_!abjY!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff6703cd0-b350-4c2a-8e23-ac471b0368f3_1024x1536.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="https://substackcdn.com/image/fetch/$s_!abjY!,w_424,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff6703cd0-b350-4c2a-8e23-ac471b0368f3_1024x1536.png 424w, https://substackcdn.com/image/fetch/$s_!abjY!,w_848,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff6703cd0-b350-4c2a-8e23-ac471b0368f3_1024x1536.png 848w, https://substackcdn.com/image/fetch/$s_!abjY!,w_1272,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff6703cd0-b350-4c2a-8e23-ac471b0368f3_1024x1536.png 1272w, https://substackcdn.com/image/fetch/$s_!abjY!,w_1456,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff6703cd0-b350-4c2a-8e23-ac471b0368f3_1024x1536.png 1456w" sizes="100vw"><img src="https://substackcdn.com/image/fetch/$s_!abjY!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff6703cd0-b350-4c2a-8e23-ac471b0368f3_1024x1536.png" width="1024" height="1536" 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srcset="https://substackcdn.com/image/fetch/$s_!abjY!,w_424,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff6703cd0-b350-4c2a-8e23-ac471b0368f3_1024x1536.png 424w, https://substackcdn.com/image/fetch/$s_!abjY!,w_848,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff6703cd0-b350-4c2a-8e23-ac471b0368f3_1024x1536.png 848w, https://substackcdn.com/image/fetch/$s_!abjY!,w_1272,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff6703cd0-b350-4c2a-8e23-ac471b0368f3_1024x1536.png 1272w, https://substackcdn.com/image/fetch/$s_!abjY!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff6703cd0-b350-4c2a-8e23-ac471b0368f3_1024x1536.png 1456w" sizes="100vw" fetchpriority="high"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg role="img" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><title></title><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><h2>Step One: Make Sure the Diagnosis Is Real</h2><p>This matters more than most patients are told. PCOS is a diagnosis of exclusion. That means before anyone can properly say you have it, other conditions that look similar must be ruled out: thyroid disease, elevated prolactin, congenital adrenal hyperplasia, and androgen-secreting tumors, among others. Some of these carry serious implications of their own and need different treatment entirely.</p><p>The standard criteria for PCOS diagnosis are the Rotterdam criteria, updated and strengthened by international evidence-based guidelines in 2023. </p><p>You can use the PCOS Screener at <a href="http://tools.obmd.com/pcos-screener">tools.obmd.com/pcos-screener</a> to work through the Rotterdam criteria yourself before your appointment.&#8221;</p><p>Under these criteria, you need at least two of the following three findings, with other causes excluded:</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="https://substackcdn.com/image/fetch/$s_!39j9!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fccd192d0-ca5c-40cb-8ebd-07dc2aaf1f62_1442x514.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="https://substackcdn.com/image/fetch/$s_!39j9!,w_424,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fccd192d0-ca5c-40cb-8ebd-07dc2aaf1f62_1442x514.png 424w, https://substackcdn.com/image/fetch/$s_!39j9!,w_848,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fccd192d0-ca5c-40cb-8ebd-07dc2aaf1f62_1442x514.png 848w, https://substackcdn.com/image/fetch/$s_!39j9!,w_1272,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fccd192d0-ca5c-40cb-8ebd-07dc2aaf1f62_1442x514.png 1272w, https://substackcdn.com/image/fetch/$s_!39j9!,w_1456,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fccd192d0-ca5c-40cb-8ebd-07dc2aaf1f62_1442x514.png 1456w" sizes="100vw"><img src="https://substackcdn.com/image/fetch/$s_!39j9!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fccd192d0-ca5c-40cb-8ebd-07dc2aaf1f62_1442x514.png" width="1442" height="514" 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srcset="https://substackcdn.com/image/fetch/$s_!39j9!,w_424,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fccd192d0-ca5c-40cb-8ebd-07dc2aaf1f62_1442x514.png 424w, https://substackcdn.com/image/fetch/$s_!39j9!,w_848,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fccd192d0-ca5c-40cb-8ebd-07dc2aaf1f62_1442x514.png 848w, https://substackcdn.com/image/fetch/$s_!39j9!,w_1272,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fccd192d0-ca5c-40cb-8ebd-07dc2aaf1f62_1442x514.png 1272w, https://substackcdn.com/image/fetch/$s_!39j9!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fccd192d0-ca5c-40cb-8ebd-07dc2aaf1f62_1442x514.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg role="img" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><title></title><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>A critical point: having polycystic-looking ovaries on ultrasound alone does not mean you have PCOS. Up to 20% of women with completely normal cycles have ovaries that look polycystic on ultrasound. The word polycystic on your radiology report is not a diagnosis.</p><p>If your doctor made the diagnosis based only on an ultrasound or on irregular periods without checking your hormones and ruling out other causes, the diagnosis deserves a second look.</p><h2>Which Doctor Should You See?</h2><p>This depends on where you are in your journey.</p><blockquote><p>If you are not trying to conceive in the next six months, a knowledgeable general obstetrician-gynecologist can absolutely manage your PCOS evaluation and initial treatment. </p></blockquote><p>The priorities at this stage are confirming the diagnosis correctly, checking your metabolic health (fasting glucose, insulin, lipids, blood pressure), addressing symptoms like excess hair growth or acne, and starting lifestyle changes that will improve your hormonal environment before you ever need fertility treatment.</p><blockquote><p>If you are planning to conceive within the next six months to a year, or if your cycles are so irregular that you have difficulty tracking ovulation at all, a referral to a reproductive endocrinologist and infertility specialist (REI) is reasonable. </p></blockquote><p>An REI has the training and tools to assess your ovarian reserve, monitor ovulation induction cycles, and manage the full spectrum of PCOS-related fertility challenges.</p><p>You do not need to go directly to an REI. You do not need IVF as a first step. But you should not wait until you have been trying to conceive for a year before getting a proper evaluation, which is the standard advice given to women under 35. Women with known ovulatory dysfunction, which is what PCOS produces, should seek evaluation after six months of trying without success, or sooner if cycles are very irregular.</p><h2>What You Can Do Right Now, Before You Are Ready to Try</h2><p>The gap between PCOS diagnosis and fertility treatment is not dead time. It is the most powerful window you have. Here is what the evidence supports:</p><h3><strong>Weight and Metabolic Health</strong></h3><p>If your BMI is above 25 kg/m, losing 5% to 10% of your body weight through diet and exercise has been shown to restore ovulatory cycles, reduce testosterone levels, and improve insulin sensitivity. A structured 20-week exercise program in one systematic review improved ovulation rates by 49%. These are not small effects. Lifestyle change is not a consolation prize while you wait for medication. For overweight women with PCOS, it is the most powerful first intervention available.</p><p>If your weight is already in a healthy range, structured aerobic and resistance exercise still improves insulin sensitivity and androgen levels. The mechanism matters regardless of weight: PCOS is fundamentally tied to insulin resistance, which disrupts the hormonal signals that control ovulation.</p><h3><strong>Folic Acid and Preconception Nutrients</strong></h3><p>Start 400-800 micrograms of folic acid daily now. If you have a family history of neural tube defects or are taking certain medications, your doctor may recommend 4 milligrams daily instead. This is straightforward, inexpensive, and evidence-based. Do not wait until you get a positive pregnancy test to start.</p><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://substack.obmd.com/subscribe?&quot;,&quot;text&quot;:&quot;Subscribe now&quot;,&quot;action&quot;:null,&quot;class&quot;:null}" data-component-name="ButtonCreateButton"><a class="button primary" href="https://substack.obmd.com/subscribe?"><span>Subscribe now</span></a></p><h3><strong>Track Your Cycles</strong></h3><p>Irregular cycles in PCOS mean that ovulation is unpredictable, not that it never happens. Tracking with basal body temperature, ovulation predictor kits, or a period tracking app gives you and your doctor real data. If you are ovulating occasionally, that information changes your management. If you are not ovulating at all, that information also changes your management.</p><h3><strong>Metformin</strong></h3><p>Metformin is an insulin-sensitizing medication that has been used in PCOS for decades. The 2023 international guidelines support its use to improve menstrual regularity, reduce androgen levels, and lower the risk of gestational diabetes during a future pregnancy. It is not a fertility drug by itself, but it improves the hormonal environment and can help restore more regular cycles in women with insulin resistance. Ask your doctor whether metformin makes sense for you now, before you need fertility treatment.</p><h2>When You Are Ready to Try: What Fertility Treatment Looks Like for PCOS</h2><p>PCOS is the leading cause of anovulatory infertility. </p><p>Anovulatory means you are not releasing eggs regularly. </p><p>The good news: anovulatory infertility responds well to treatment. Most women with PCOS who want to conceive do so, often without IVF.</p><p>The treatment ladder for PCOS-related infertility, as established by the 2023 international guidelines, looks like this:</p><p>1. Lifestyle modification first, in women with a BMI above 25 kg/m</p><p>2. Letrozole (an aromatase inhibitor) as first-line oral ovulation induction</p><p>3. Clomiphene with or without metformin as second-line oral therapy</p><p>4. Gonadotropins (injectable hormones) or ovarian drilling surgery as second-line procedures</p><p>5. IVF as third-line therapy, when other approaches have failed or there is another indication for IVF</p><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://substack.obmd.com/subscribe?&quot;,&quot;text&quot;:&quot;Subscribe now&quot;,&quot;action&quot;:null,&quot;class&quot;:null}" data-component-name="ButtonCreateButton"><a class="button primary" href="https://substack.obmd.com/subscribe?"><span>Subscribe now</span></a></p><p>The NEJM landmark trial by Legro and colleagues (2014) established letrozole as superior to clomiphene for ovulation induction in PCOS. In that randomized controlled trial of 750 women, letrozole produced a cumulative live birth rate of 28% compared to 19% with clomiphene over five treatment cycles. Letrozole also carried a lower rate of twin pregnancies (3% versus 7%). If your doctor is still recommending clomiphene as the first choice, that recommendation is behind the evidence by a decade.</p><p><em>IVF is not a first step.</em> It is expensive, physically demanding, and carries risks. The 2023 international guidelines are explicit: IVF should be offered only when other ovulation induction therapies have failed or when there is a separate reason IVF is needed. Women with PCOS who do go to IVF should receive single embryo transfer given the underlying pregnancy risks PCOS carries, including gestational diabetes, preeclampsia, and preterm birth.</p><h2>One More Thing Most Doctors Do Not Mention</h2><blockquote><p><strong>A fertility evaluation is never just about you. Before any treatment starts, your partner&#8217;s semen analysis should be done. About one in three cases of infertility involves a male factor. Starting ovulation induction without checking sperm first is putting the cart before the horse. Insist on this evaluation early.</strong></p></blockquote><h2>My Take</h2><p>A PCOS diagnosis handed over without a management plan is a missed opportunity. The years between diagnosis and a decision to conceive are not empty time. They are your best chance to improve your hormonal environment, protect your metabolic health, and position yourself for the simplest fertility path possible.</p><p>You do not need an REI on day one. </p><p>You need a clinician who will confirm the diagnosis properly, rule out other causes, check your metabolic numbers, and have an honest conversation about what your cycles are actually doing. </p><p>If that conversation does not happen, find someone who will have it.</p><p>When you are ready to conceive, letrozole is where the evidence points. Lifestyle change before that is not optional noise. It is the intervention with the best safety profile and no cost. And IVF, despite what fertility clinic marketing sometimes implies, is not the default destination for PCOS. For most women, it is not the destination at all.</p><p>Know your diagnosis. Know your numbers. And do not accept a pamphlet as a plan.</p><h2>References</h2><p>1. Teede HJ, Tay CT, Laven JJE, et al. Recommendations from the 2023 International Evidence-Based Guideline for the Assessment and Management of Polycystic Ovary Syndrome. J Clin Endocrinol Metab. 2023;108(10):2447-2469. doi: 10.1210/clinem/dgad463</p><p>2. Legro RS, Brzyski RG, Diamond MP, et al. Letrozole versus Clomiphene for Infertility in the Polycystic Ovary Syndrome. N Engl J Med. 2014;371(2):119-129. doi: 10.1056/NEJMoa1313517</p><p>3. Jalilian A, Kiani F, Sayehmiri F, Sayehmiri K, Khodaee Z, Akbari M. Prevalence of polycystic ovary syndrome and its associated complications in Iranian women: A meta-analysis. Iran J Reprod Med. 2015;13(10):591-604. [VERIFY for exact global prevalence figure]</p><p>4. Balen AH, Morley LC, Misso M, et al. The management of anovulatory infertility in women with polycystic ovary syndrome: an analysis of the evidence to support the development of global WHO guidance. Hum Reprod Update. 2016;22(6):687-708. doi: 10.1093/humupd/dmw025</p><p>5. Lim SS, Hutchison SK, Van Ryswyk E, Norman RJ, Teede HJ, Moran LJ. Lifestyle changes in women with polycystic ovary syndrome. Cochrane Database Syst Rev. 2019;3(3):CD007506. doi: 10.1002/14651858.CD007506.pub4</p><p>6. Deng Z, Hu X, Li P, You Y, Zhong X, Guo C. Impact of lifestyle interventions on reproductive and psychological outcomes in women with polycystic ovary syndrome. Medicine (Baltimore). 2025. doi: 10.1097/MD.0000000000041247</p><p>7. Teede H, Deeks A, Moran L. Polycystic ovary syndrome: a complex condition with psychological, reproductive and metabolic manifestations that impacts on health across the lifespan. BMC Med. 2010;8:41. doi: 10.1186/1741-7015-8-41</p>]]></content:encoded></item><item><title><![CDATA[What OBs Don't Tell Patients About. In Vitro Fertilization Pregnancies Are Often High-Risk: A Guide to the Real Truth]]></title><description><![CDATA[In Vitro Fertilization (IVF) is a testament to modern medical ingenuity, a procedure that has enabled countless couples to build the families they so deeply desire.]]></description><link>https://substack.obmd.com/p/what-obs-dont-tell-patients-about-18a</link><guid isPermaLink="false">https://substack.obmd.com/p/what-obs-dont-tell-patients-about-18a</guid><dc:creator><![CDATA[Amos Grünebaum, MD]]></dc:creator><pubDate>Wed, 15 Apr 2026 13:09:42 GMT</pubDate><enclosure url="https://substackcdn.com/image/fetch/$s_!Qvo7!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F322ebafe-609c-4965-b436-558a7862dcd6_1132x784.png" length="0" type="image/jpeg"/><content:encoded><![CDATA[<div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="https://substackcdn.com/image/fetch/$s_!Qvo7!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F322ebafe-609c-4965-b436-558a7862dcd6_1132x784.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="https://substackcdn.com/image/fetch/$s_!Qvo7!,w_424,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F322ebafe-609c-4965-b436-558a7862dcd6_1132x784.png 424w, https://substackcdn.com/image/fetch/$s_!Qvo7!,w_848,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F322ebafe-609c-4965-b436-558a7862dcd6_1132x784.png 848w, https://substackcdn.com/image/fetch/$s_!Qvo7!,w_1272,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F322ebafe-609c-4965-b436-558a7862dcd6_1132x784.png 1272w, https://substackcdn.com/image/fetch/$s_!Qvo7!,w_1456,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F322ebafe-609c-4965-b436-558a7862dcd6_1132x784.png 1456w" sizes="100vw"><img src="https://substackcdn.com/image/fetch/$s_!Qvo7!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F322ebafe-609c-4965-b436-558a7862dcd6_1132x784.png" width="1132" height="784" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/322ebafe-609c-4965-b436-558a7862dcd6_1132x784.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:784,&quot;width&quot;:1132,&quot;resizeWidth&quot;:null,&quot;bytes&quot;:1282289,&quot;alt&quot;:null,&quot;title&quot;:null,&quot;type&quot;:&quot;image/png&quot;,&quot;href&quot;:null,&quot;belowTheFold&quot;:false,&quot;topImage&quot;:true,&quot;internalRedirect&quot;:&quot;https://www.obmd.com/i/174212176?img=https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F322ebafe-609c-4965-b436-558a7862dcd6_1132x784.png&quot;,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="" srcset="https://substackcdn.com/image/fetch/$s_!Qvo7!,w_424,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F322ebafe-609c-4965-b436-558a7862dcd6_1132x784.png 424w, https://substackcdn.com/image/fetch/$s_!Qvo7!,w_848,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F322ebafe-609c-4965-b436-558a7862dcd6_1132x784.png 848w, https://substackcdn.com/image/fetch/$s_!Qvo7!,w_1272,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F322ebafe-609c-4965-b436-558a7862dcd6_1132x784.png 1272w, https://substackcdn.com/image/fetch/$s_!Qvo7!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F322ebafe-609c-4965-b436-558a7862dcd6_1132x784.png 1456w" sizes="100vw" fetchpriority="high"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg role="img" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><title></title><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>In Vitro Fertilization (IVF) is a testament to modern medical ingenuity, a procedure that has enabled countless couples to build the families they so deeply desire. The public narrative, however, often simplifies this journey, focusing solely on the celebratory outcome. As an obstetrician, an ethicist, and a professor, it is my professional and ethical &#8230;</p>
      <p>
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   ]]></content:encoded></item><item><title><![CDATA[The Danger of Calling It a “Mystery” or Infertility "Unexplained"]]></title><description><![CDATA[This is a story in &#8220;The Guardian&#8221; of an Australian woman seeking a second child is told her infertility is a mystery.]]></description><link>https://substack.obmd.com/p/the-danger-of-calling-it-a-mystery</link><guid isPermaLink="false">https://substack.obmd.com/p/the-danger-of-calling-it-a-mystery</guid><dc:creator><![CDATA[Amos Grünebaum, MD]]></dc:creator><pubDate>Sat, 21 Feb 2026 19:21:51 GMT</pubDate><enclosure url="https://substackcdn.com/image/fetch/$s_!VHFZ!,w_256,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe4aa7dd8-21e8-4429-b724-aa3638541c01_180x180.png" length="0" type="image/jpeg"/><content:encoded><![CDATA[<p>This is a story in &#8220;<a href="https://www.theguardian.com/commentisfree/2026/feb/17/unexplained-infertility-endometriosis-womens-pain">The Guardian</a>&#8221; of an Australian woman  seeking a second child is told her infertility is a mystery. She reports worsening monthly pain. The response is gentle reassurance, ovulation medication, and eventual redirection toward IVF. </p><blockquote><p>Years later, laparoscopy reveals extensive endometriosis. She conceives shortly after surgery. The infert&#8230;</p></blockquote>
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   ]]></content:encoded></item><item><title><![CDATA[7 Things You’re Doing That Are Potentially Hurting Your Fertility (And 3 That Actually Help)]]></title><description><![CDATA[The fertility wellness industry is worth $2.7 billion. Most of it is selling you hope without evidence. Here is what the data actually shows.]]></description><link>https://substack.obmd.com/p/7-things-youre-doing-that-are-potentially</link><guid isPermaLink="false">https://substack.obmd.com/p/7-things-youre-doing-that-are-potentially</guid><dc:creator><![CDATA[Amos Grünebaum, MD]]></dc:creator><pubDate>Mon, 09 Feb 2026 13:30:37 GMT</pubDate><enclosure url="https://substackcdn.com/image/fetch/$s_!ZTkh!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fed5fc9b5-b38e-4dfe-868f-42120fd8ef07_1348x876.png" length="0" type="image/jpeg"/><content:encoded><![CDATA[<div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="https://substackcdn.com/image/fetch/$s_!ZTkh!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fed5fc9b5-b38e-4dfe-868f-42120fd8ef07_1348x876.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="https://substackcdn.com/image/fetch/$s_!ZTkh!,w_424,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fed5fc9b5-b38e-4dfe-868f-42120fd8ef07_1348x876.png 424w, https://substackcdn.com/image/fetch/$s_!ZTkh!,w_848,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fed5fc9b5-b38e-4dfe-868f-42120fd8ef07_1348x876.png 848w, https://substackcdn.com/image/fetch/$s_!ZTkh!,w_1272,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fed5fc9b5-b38e-4dfe-868f-42120fd8ef07_1348x876.png 1272w, https://substackcdn.com/image/fetch/$s_!ZTkh!,w_1456,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fed5fc9b5-b38e-4dfe-868f-42120fd8ef07_1348x876.png 1456w" sizes="100vw"><img src="https://substackcdn.com/image/fetch/$s_!ZTkh!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fed5fc9b5-b38e-4dfe-868f-42120fd8ef07_1348x876.png" width="1348" height="876" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/ed5fc9b5-b38e-4dfe-868f-42120fd8ef07_1348x876.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:876,&quot;width&quot;:1348,&quot;resizeWidth&quot;:null,&quot;bytes&quot;:2102687,&quot;alt&quot;:null,&quot;title&quot;:null,&quot;type&quot;:&quot;image/png&quot;,&quot;href&quot;:null,&quot;belowTheFold&quot;:false,&quot;topImage&quot;:true,&quot;internalRedirect&quot;:&quot;https://www.obmd.com/i/187018690?img=https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fed5fc9b5-b38e-4dfe-868f-42120fd8ef07_1348x876.png&quot;,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="" srcset="https://substackcdn.com/image/fetch/$s_!ZTkh!,w_424,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fed5fc9b5-b38e-4dfe-868f-42120fd8ef07_1348x876.png 424w, https://substackcdn.com/image/fetch/$s_!ZTkh!,w_848,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fed5fc9b5-b38e-4dfe-868f-42120fd8ef07_1348x876.png 848w, https://substackcdn.com/image/fetch/$s_!ZTkh!,w_1272,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fed5fc9b5-b38e-4dfe-868f-42120fd8ef07_1348x876.png 1272w, https://substackcdn.com/image/fetch/$s_!ZTkh!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fed5fc9b5-b38e-4dfe-868f-42120fd8ef07_1348x876.png 1456w" sizes="100vw" fetchpriority="high"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg role="img" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><title></title><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>She had spent $400 a month on supplements.</p><p>CoQ10. Myo-inositol. Ashwagandha. DHEA. Omega-3s. A &#8220;fertility blend&#8221; with 23 ingredients she could not pronounce. Her Instagram feed was a scroll of pastel-branded promises. Her medicine cabinet looked like a small pharmacy.</p><p>She was 34. She and her husband had been trying for 14 months. She had never had a single conversation with a doctor about her weight, his weight, their diet, or how much they were actually exercising. Nobody had told her that the soda she drank every afternoon was more studied than anything in her supplement stack.</p><p>She had done everything the internet told her to do. And almost none of it was supported by the kind of evidence that would survive a peer-reviewed journal.</p><div><hr></div><h2>The Gap Between Wellness Culture and Reproductive Science</h2><p>The global fertility supplement market reached $2.7 billion in 2025 (1). It is projected to nearly double by 2034. An analysis of male fertility supplements found that only 22% of the 90 ingredients tested showed any evidence of affecting sperm health or birth rates. The average product effectiveness score was 1.66 out of 5.0 (2).</p><p>Meanwhile, interventions with strong evidence often cost nothing. Moderate exercise improves fecundability. A Mediterranean-style diet is linked to better embryo quality. Folic acid, at roughly seven cents a day, carries the strongest recommendation in all of reproductive medicine.</p><p>The fertility industry sells complexity when the evidence supports simplicity.</p><h2>What We Actually Know About Fertility and Lifestyle</h2><p>Research on lifestyle and fertility comes primarily from large prospective preconception cohort studies. These are not small supplement trials with surrogate endpoints. They are studies of thousands of real couples tracking real pregnancies over real time.</p><p>Two of the most important are the PRESTO study (Pregnancy Study Online, North America) and SnartForaeldre.dk (Denmark). Together, they have followed more than 15,000 couples trying to conceive (3, 4). A 2024 prospective cohort from Rotterdam studied more than 3,600 women and their partners from preconception through birth (5).</p><p>These studies measure fecundability: the probability of conceiving in a given menstrual cycle. It is one of the most reliable metrics we have for fertility research. A fecundability ratio (FR) below 1.0 means you are less likely to conceive per cycle compared to the reference group.</p><p>Here is what the data tells us about what actually matters.</p><div><hr></div><p><em>This is where it gets specific. The 7 things that are hurting your fertility and the 3 that actually help are below.</em></p><div class="subscription-widget-wrap-editor" data-attrs="{&quot;url&quot;:&quot;https://substack.obmd.com/subscribe?&quot;,&quot;text&quot;:&quot;Subscribe&quot;,&quot;language&quot;:&quot;en&quot;}" data-component-name="SubscribeWidgetToDOM"><div class="subscription-widget show-subscribe"><div class="preamble"><p class="cta-caption">The complete ObGyn+  Intelligence is exclusive for Members. Become a premium subscriber  and get proven, evidence based information 2-3 per week for less than a cup of coffee. </p></div><form class="subscription-widget-subscribe"><input type="email" class="email-input" name="email" placeholder="Type your email&#8230;" tabindex="-1"><input type="submit" class="button primary" value="Subscribe"><div class="fake-input-wrapper"><div class="fake-input"></div><div class="fake-button"></div></div></form></div></div>
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   ]]></content:encoded></item><item><title><![CDATA[You Just Got a Fertility Diagnosis. Here’s What Should Happen Next.]]></title><description><![CDATA[Most couples leave that first appointment with a label and a brochure. What they actually need is a plan that starts with the right questions, not the most expensive treatment.]]></description><link>https://substack.obmd.com/p/you-just-got-a-fertility-diagnosis</link><guid isPermaLink="false">https://substack.obmd.com/p/you-just-got-a-fertility-diagnosis</guid><dc:creator><![CDATA[Amos Grünebaum, MD]]></dc:creator><pubDate>Mon, 02 Feb 2026 13:04:51 GMT</pubDate><enclosure url="https://substackcdn.com/image/fetch/$s_!EqdH!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F2603e0a0-6f70-4f57-9fe5-4742ce74e12c_667x447.png" length="0" type="image/jpeg"/><content:encoded><![CDATA[<div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="https://substackcdn.com/image/fetch/$s_!EqdH!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F2603e0a0-6f70-4f57-9fe5-4742ce74e12c_667x447.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="https://substackcdn.com/image/fetch/$s_!EqdH!,w_424,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F2603e0a0-6f70-4f57-9fe5-4742ce74e12c_667x447.png 424w, https://substackcdn.com/image/fetch/$s_!EqdH!,w_848,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F2603e0a0-6f70-4f57-9fe5-4742ce74e12c_667x447.png 848w, https://substackcdn.com/image/fetch/$s_!EqdH!,w_1272,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F2603e0a0-6f70-4f57-9fe5-4742ce74e12c_667x447.png 1272w, https://substackcdn.com/image/fetch/$s_!EqdH!,w_1456,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F2603e0a0-6f70-4f57-9fe5-4742ce74e12c_667x447.png 1456w" sizes="100vw"><img src="https://substackcdn.com/image/fetch/$s_!EqdH!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F2603e0a0-6f70-4f57-9fe5-4742ce74e12c_667x447.png" width="667" height="447" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/2603e0a0-6f70-4f57-9fe5-4742ce74e12c_667x447.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:447,&quot;width&quot;:667,&quot;resizeWidth&quot;:null,&quot;bytes&quot;:708898,&quot;alt&quot;:null,&quot;title&quot;:null,&quot;type&quot;:&quot;image/png&quot;,&quot;href&quot;:null,&quot;belowTheFold&quot;:false,&quot;topImage&quot;:true,&quot;internalRedirect&quot;:&quot;https://www.obmd.com/i/186602164?img=https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F2603e0a0-6f70-4f57-9fe5-4742ce74e12c_667x447.png&quot;,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="" srcset="https://substackcdn.com/image/fetch/$s_!EqdH!,w_424,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F2603e0a0-6f70-4f57-9fe5-4742ce74e12c_667x447.png 424w, https://substackcdn.com/image/fetch/$s_!EqdH!,w_848,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F2603e0a0-6f70-4f57-9fe5-4742ce74e12c_667x447.png 848w, https://substackcdn.com/image/fetch/$s_!EqdH!,w_1272,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F2603e0a0-6f70-4f57-9fe5-4742ce74e12c_667x447.png 1272w, https://substackcdn.com/image/fetch/$s_!EqdH!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F2603e0a0-6f70-4f57-9fe5-4742ce74e12c_667x447.png 1456w" sizes="100vw" fetchpriority="high"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg role="img" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><title></title><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>Sarah and David had been trying for 14 months. Their doctor said &#8220;infertility&#8221; and referred them straight to an IVF clinic. Nobody checked David&#8217;s sperm. Nobody asked about Sarah&#8217;s cycles. Nobody mentioned that David&#8217;s BMI was 34 or that Sarah had irregular periods every 40 to 45 days.</p><p>Eight months and $22,000 later, their IVF cycle failed. A second opinion revealed David had a varicocele and Sarah had PCOS. After varicocele repair, weight loss coaching for David, and ovulation induction for Sarah, they conceived without IVF.</p><p>This story is not unusual. And the reason it keeps happening is that too many couples skip the most important part of the fertility journey: <strong>finding out why</strong>.</p><h2>What &#8220;Infertility&#8221; Actually Means</h2><p>Let&#8217;s start with the basics. Infertility is defined as failure to achieve pregnancy after 12 months of regular, unprotected intercourse. For women over 35, that window shortens to 6 months. For women over 40, evaluation should begin immediately.</p><p>But here&#8217;s what most people don&#8217;t realize: infertility is not a diagnosis. It&#8217;s a <strong>description</strong>. Saying you have &#8220;infertility&#8221; is like saying you have &#8220;pain.&#8221; It tells you something is wrong. It tells you nothing about what or why.</p><p>The real work, the work that determines whether you spend years and tens of thousands of dollars on treatments that may not address your actual problem, begins with a proper evaluation. And that evaluation must include both partners from the start.</p><h2>The Evaluation: Both Partners, at the Same Time</h2><p>This is one of the most important things I can tell you. The 2024 AUA/ASRM guideline is explicit: clinicians should initiate concurrent assessment of both the male and female partner. Not &#8220;evaluate the woman first and then maybe check the man.&#8221; Both. Together. From the beginning.</p><p>Why? Because male factors contribute to infertility in roughly half of all couples. The ACOG Infertility Workup clinical practice guideline states that male factor is a cause of infertility in 40 to 50% of couples. Skipping the male evaluation doesn&#8217;t just waste time. It can lead to unnecessary, invasive, and expensive treatment of the female partner for a problem that originates with the male partner.</p><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://substack.obmd.com/subscribe?&quot;,&quot;text&quot;:&quot;Subscribe now&quot;,&quot;action&quot;:null,&quot;class&quot;:null}" data-component-name="ButtonCreateButton"><a class="button primary" href="https://substack.obmd.com/subscribe?"><span>Subscribe now</span></a></p>
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   ]]></content:encoded></item><item><title><![CDATA[Every Fertility Treatment That Exists, Explained in One Sentence Each]]></title><description><![CDATA[You deserve to walk into your fertility clinic knowing what&#8217;s on the menu before someone starts ordering for you.]]></description><link>https://substack.obmd.com/p/every-fertility-treatment-that-exists</link><guid isPermaLink="false">https://substack.obmd.com/p/every-fertility-treatment-that-exists</guid><dc:creator><![CDATA[Amos Grünebaum, MD]]></dc:creator><pubDate>Mon, 02 Feb 2026 12:32:31 GMT</pubDate><enclosure url="https://substackcdn.com/image/fetch/$s_!2gC_!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F64ae6169-7a41-44e7-a41e-a453950ce7b6_659x577.png" length="0" type="image/jpeg"/><content:encoded><![CDATA[<div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="https://substackcdn.com/image/fetch/$s_!2gC_!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F64ae6169-7a41-44e7-a41e-a453950ce7b6_659x577.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="https://substackcdn.com/image/fetch/$s_!2gC_!,w_424,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F64ae6169-7a41-44e7-a41e-a453950ce7b6_659x577.png 424w, https://substackcdn.com/image/fetch/$s_!2gC_!,w_848,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F64ae6169-7a41-44e7-a41e-a453950ce7b6_659x577.png 848w, https://substackcdn.com/image/fetch/$s_!2gC_!,w_1272,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F64ae6169-7a41-44e7-a41e-a453950ce7b6_659x577.png 1272w, 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data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/64ae6169-7a41-44e7-a41e-a453950ce7b6_659x577.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:577,&quot;width&quot;:659,&quot;resizeWidth&quot;:null,&quot;bytes&quot;:1045467,&quot;alt&quot;:null,&quot;title&quot;:null,&quot;type&quot;:&quot;image/png&quot;,&quot;href&quot;:null,&quot;belowTheFold&quot;:false,&quot;topImage&quot;:true,&quot;internalRedirect&quot;:&quot;https://www.obmd.com/i/186602432?img=https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F64ae6169-7a41-44e7-a41e-a453950ce7b6_659x577.png&quot;,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="" srcset="https://substackcdn.com/image/fetch/$s_!2gC_!,w_424,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F64ae6169-7a41-44e7-a41e-a453950ce7b6_659x577.png 424w, https://substackcdn.com/image/fetch/$s_!2gC_!,w_848,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F64ae6169-7a41-44e7-a41e-a453950ce7b6_659x577.png 848w, https://substackcdn.com/image/fetch/$s_!2gC_!,w_1272,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F64ae6169-7a41-44e7-a41e-a453950ce7b6_659x577.png 1272w, https://substackcdn.com/image/fetch/$s_!2gC_!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F64ae6169-7a41-44e7-a41e-a453950ce7b6_659x577.png 1456w" sizes="100vw" fetchpriority="high"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg role="img" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><title></title><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>When you&#8217;re diagnosed with difficulty getting pregnant, the number of acronyms thrown at you can feel like learning a new language under pressure. IVF. ICSI. IUI. TESE. FET. Your doctor may recommend one of these on your first visit, and you may have no idea what it actually involves, how it compares to alternatives, or whether simpler options exist.</p><p>Thi&#8230;</p>
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   ]]></content:encoded></item><item><title><![CDATA[The Fertility Factors You Can Actually Control]]></title><description><![CDATA[Before you spend a dollar on treatment, here&#8217;s what the evidence says about the lifestyle changes that matter, the ones that don&#8217;t, and the ones the internet gets wrong.]]></description><link>https://substack.obmd.com/p/the-fertility-factors-you-can-actually</link><guid isPermaLink="false">https://substack.obmd.com/p/the-fertility-factors-you-can-actually</guid><dc:creator><![CDATA[Amos Grünebaum, MD]]></dc:creator><pubDate>Mon, 02 Feb 2026 12:28:51 GMT</pubDate><enclosure url="https://substackcdn.com/image/fetch/$s_!eRGT!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f85da74-2f30-438e-9e33-bf54127c966c_689x583.png" length="0" type="image/jpeg"/><content:encoded><![CDATA[<div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="https://substackcdn.com/image/fetch/$s_!eRGT!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f85da74-2f30-438e-9e33-bf54127c966c_689x583.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="https://substackcdn.com/image/fetch/$s_!eRGT!,w_424,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f85da74-2f30-438e-9e33-bf54127c966c_689x583.png 424w, https://substackcdn.com/image/fetch/$s_!eRGT!,w_848,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f85da74-2f30-438e-9e33-bf54127c966c_689x583.png 848w, https://substackcdn.com/image/fetch/$s_!eRGT!,w_1272,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f85da74-2f30-438e-9e33-bf54127c966c_689x583.png 1272w, https://substackcdn.com/image/fetch/$s_!eRGT!,w_1456,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f85da74-2f30-438e-9e33-bf54127c966c_689x583.png 1456w" sizes="100vw"><img src="https://substackcdn.com/image/fetch/$s_!eRGT!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f85da74-2f30-438e-9e33-bf54127c966c_689x583.png" width="689" height="583" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/5f85da74-2f30-438e-9e33-bf54127c966c_689x583.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:583,&quot;width&quot;:689,&quot;resizeWidth&quot;:null,&quot;bytes&quot;:871427,&quot;alt&quot;:null,&quot;title&quot;:null,&quot;type&quot;:&quot;image/png&quot;,&quot;href&quot;:null,&quot;belowTheFold&quot;:false,&quot;topImage&quot;:true,&quot;internalRedirect&quot;:&quot;https://www.obmd.com/i/186603877?img=https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f85da74-2f30-438e-9e33-bf54127c966c_689x583.png&quot;,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="" srcset="https://substackcdn.com/image/fetch/$s_!eRGT!,w_424,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f85da74-2f30-438e-9e33-bf54127c966c_689x583.png 424w, https://substackcdn.com/image/fetch/$s_!eRGT!,w_848,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f85da74-2f30-438e-9e33-bf54127c966c_689x583.png 848w, https://substackcdn.com/image/fetch/$s_!eRGT!,w_1272,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f85da74-2f30-438e-9e33-bf54127c966c_689x583.png 1272w, https://substackcdn.com/image/fetch/$s_!eRGT!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5f85da74-2f30-438e-9e33-bf54127c966c_689x583.png 1456w" sizes="100vw" fetchpriority="high"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg role="img" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><title></title><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>Lisa and her husband James had been trying to conceive for 10 months when they went down the internet rabbit hole. Within a week, James had thrown out his boxer briefs, quit coffee entirely, stopped going to the gym, and was eating handfuls of zinc supplements. Lisa had cut out gluten, dairy, sugar, alcohol, caffeine, and anything that came in plastic packaging. She was also sleeping with her legs elevated after sex because a TikTok told her to.</p><p>Neither of them was sleeping well. Both were miserable. And none of what they were doing was based on solid evidence.</p><p>This is what happens when anxious people meet an unregulated wellness industry. You get fear dressed up as empowerment. You get expensive supplements marketed with cherry-picked data. You get extreme restrictions that add stress to an already stressful situation, sometimes making things worse rather than better.</p><p>Here&#8217;s what the actual science says.</p><h3>What This Guide Is and Isn&#8217;t</h3><p>This is a summary of lifestyle factors with credible evidence for affecting fertility in men, women, or both. I&#8217;ve included what the research shows, how strong the evidence is, and what a reasonable response looks like.</p><p>This is not a promise that lifestyle changes alone will get you pregnant. For many couples, the cause of infertility is structural, genetic, or hormonal, and no amount of clean eating or boxers-over-briefs will fix it. Lifestyle optimization is one piece of the puzzle. Sometimes it&#8217;s the most important piece. Sometimes it&#8217;s irrelevant to your specific situation.</p><p>The point is to know the difference.</p><h3>First Things First: Have Sex. The Right Amount. Forget Everything Else You&#8217;ve Heard.</h3><p><strong>The evidence: Strong. ASRM committee opinion level. Applies to timing, frequency, position, orgasm, and post-sex routines.</strong></p><p>Before we talk about what you eat, drink, or breathe, let&#8217;s talk about the thing that actually makes babies. You would be surprised how many couples trying to conceive are confused about the basics, not because they&#8217;re uninformed, but because the internet has buried straightforward biology under layers of myths, gadgets, and monetized anxiety.</p><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://substack.obmd.com/subscribe?&quot;,&quot;text&quot;:&quot;Subscribe now&quot;,&quot;action&quot;:null,&quot;class&quot;:null}" data-component-name="ButtonCreateButton"><a class="button primary" href="https://substack.obmd.com/subscribe?"><span>Subscribe now</span></a></p>
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   ]]></content:encoded></item><item><title><![CDATA[Women Deserve Data, Not Dogma: Fertility Edition]]></title><description><![CDATA[Women Deserve Data, Not Dogma. Age matters more than supplements. Crystals don't work. Most couples take a year to conceive - that's biology, not a problem to solve.]]></description><link>https://substack.obmd.com/p/women-deserve-data-not-dogma-fertility</link><guid isPermaLink="false">https://substack.obmd.com/p/women-deserve-data-not-dogma-fertility</guid><dc:creator><![CDATA[Amos Grünebaum, MD]]></dc:creator><pubDate>Wed, 28 Jan 2026 13:35:05 GMT</pubDate><enclosure url="https://substack-post-media.s3.amazonaws.com/public/images/dd5dca7b-0afa-43ae-b542-e5a578f7b98f_436x640.jpeg" length="0" type="image/jpeg"/><content:encoded><![CDATA[<div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="https://substackcdn.com/image/fetch/$s_!fijx!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff14977e3-e9f3-4960-9066-10a0e6b47d10_436x640.jpeg" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="https://substackcdn.com/image/fetch/$s_!fijx!,w_424,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff14977e3-e9f3-4960-9066-10a0e6b47d10_436x640.jpeg 424w, https://substackcdn.com/image/fetch/$s_!fijx!,w_848,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff14977e3-e9f3-4960-9066-10a0e6b47d10_436x640.jpeg 848w, https://substackcdn.com/image/fetch/$s_!fijx!,w_1272,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff14977e3-e9f3-4960-9066-10a0e6b47d10_436x640.jpeg 1272w, https://substackcdn.com/image/fetch/$s_!fijx!,w_1456,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff14977e3-e9f3-4960-9066-10a0e6b47d10_436x640.jpeg 1456w" sizes="100vw"><img 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srcset="https://substackcdn.com/image/fetch/$s_!fijx!,w_424,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff14977e3-e9f3-4960-9066-10a0e6b47d10_436x640.jpeg 424w, https://substackcdn.com/image/fetch/$s_!fijx!,w_848,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff14977e3-e9f3-4960-9066-10a0e6b47d10_436x640.jpeg 848w, https://substackcdn.com/image/fetch/$s_!fijx!,w_1272,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff14977e3-e9f3-4960-9066-10a0e6b47d10_436x640.jpeg 1272w, https://substackcdn.com/image/fetch/$s_!fijx!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff14977e3-e9f3-4960-9066-10a0e6b47d10_436x640.jpeg 1456w" sizes="100vw" fetchpriority="high"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg role="img" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><title></title><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>&#8220;Women Deserve Data, Not Dogma.&#8221; This slogan captures everything that evidence-based medicine should stand for - and everything that&#8217;s gone wrong in how health information reaches women today. From fertility influencers hawking unproven supplements to wellness gurus promising that the right diet will &#8220;balance your hormones,&#8221; women trying to conceive are drowning in confident-sounding advice that prioritizes ideology over evidence. The fertility industry has learned that hope sells, and that &#8220;natural solutions&#8221; sound better than hard truths. But feelings aren&#8217;t facts, and validation isn&#8217;t the same as information. Here are the facts - not fads - that every woman trying to conceive deserves to hear.</p><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://substack.obmd.com/subscribe?&quot;,&quot;text&quot;:&quot;Subscribe now&quot;,&quot;action&quot;:null,&quot;class&quot;:null}" data-component-name="ButtonCreateButton"><a class="button primary" href="https://substack.obmd.com/subscribe?"><span>Subscribe now</span></a></p>
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   ]]></content:encoded></item><item><title><![CDATA[The False Promise of “Natural” Fertility Care]]></title><description><![CDATA[When ideology replaces evidence, patients lose access to the care that actually works]]></description><link>https://substack.obmd.com/p/the-false-promise-of-natural-fertility</link><guid isPermaLink="false">https://substack.obmd.com/p/the-false-promise-of-natural-fertility</guid><dc:creator><![CDATA[Amos Grünebaum, MD]]></dc:creator><pubDate>Tue, 20 Jan 2026 21:59:20 GMT</pubDate><enclosure url="https://substackcdn.com/image/fetch/$s_!nyvX!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F2db6c91e-2329-4935-9646-be9aa03a11fc_1028x664.png" length="0" type="image/jpeg"/><content:encoded><![CDATA[<div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="https://substackcdn.com/image/fetch/$s_!nyvX!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F2db6c91e-2329-4935-9646-be9aa03a11fc_1028x664.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="https://substackcdn.com/image/fetch/$s_!nyvX!,w_424,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F2db6c91e-2329-4935-9646-be9aa03a11fc_1028x664.png 424w, https://substackcdn.com/image/fetch/$s_!nyvX!,w_848,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F2db6c91e-2329-4935-9646-be9aa03a11fc_1028x664.png 848w, https://substackcdn.com/image/fetch/$s_!nyvX!,w_1272,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F2db6c91e-2329-4935-9646-be9aa03a11fc_1028x664.png 1272w, 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srcset="https://substackcdn.com/image/fetch/$s_!nyvX!,w_424,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F2db6c91e-2329-4935-9646-be9aa03a11fc_1028x664.png 424w, https://substackcdn.com/image/fetch/$s_!nyvX!,w_848,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F2db6c91e-2329-4935-9646-be9aa03a11fc_1028x664.png 848w, https://substackcdn.com/image/fetch/$s_!nyvX!,w_1272,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F2db6c91e-2329-4935-9646-be9aa03a11fc_1028x664.png 1272w, https://substackcdn.com/image/fetch/$s_!nyvX!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F2db6c91e-2329-4935-9646-be9aa03a11fc_1028x664.png 1456w" sizes="100vw" fetchpriority="high"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg role="img" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><title></title><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><h3>What is being discussed, plainly stated</h3><p>Restorative Reproductive Medicine, often marketed as &#8220;natural&#8221; fertility care, is a set of approaches that claims to treat infertility by fixing underlying problems rather than using assisted reproductive technology such as IVF. A recent <em>JAMA</em> Viewpoint argues that this framing is misleading and, more importantly, harmful when it is used to restrict access to proven care.</p><h3>A promise that sounds good, but falls apart</h3>
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   ]]></content:encoded></item><item><title><![CDATA[First clinical pregnancy following AI-based microfluidic sperm detection and recovery in non-obstructive azoospermia]]></title><description><![CDATA[Published in The Lancet, November 2025.]]></description><link>https://substack.obmd.com/p/first-clinical-pregnancy-following</link><guid isPermaLink="false">https://substack.obmd.com/p/first-clinical-pregnancy-following</guid><dc:creator><![CDATA[Amos Grünebaum, MD]]></dc:creator><pubDate>Thu, 15 Jan 2026 08:28:14 GMT</pubDate><enclosure url="https://substackcdn.com/image/fetch/$s_!0K2l!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd96d0a7c-c1f6-4a12-94ac-e6c73d4d4195_1536x1024.png" length="0" type="image/jpeg"/><content:encoded><![CDATA[<div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="https://substackcdn.com/image/fetch/$s_!BtEm!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F7d4051c8-712b-4766-ac16-67b308806a7a_1160x829.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="https://substackcdn.com/image/fetch/$s_!BtEm!,w_424,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F7d4051c8-712b-4766-ac16-67b308806a7a_1160x829.png 424w, https://substackcdn.com/image/fetch/$s_!BtEm!,w_848,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F7d4051c8-712b-4766-ac16-67b308806a7a_1160x829.png 848w, https://substackcdn.com/image/fetch/$s_!BtEm!,w_1272,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F7d4051c8-712b-4766-ac16-67b308806a7a_1160x829.png 1272w, 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data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/7d4051c8-712b-4766-ac16-67b308806a7a_1160x829.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:829,&quot;width&quot;:1160,&quot;resizeWidth&quot;:null,&quot;bytes&quot;:1391844,&quot;alt&quot;:null,&quot;title&quot;:null,&quot;type&quot;:&quot;image/png&quot;,&quot;href&quot;:null,&quot;belowTheFold&quot;:false,&quot;topImage&quot;:true,&quot;internalRedirect&quot;:&quot;https://www.obmd.com/i/184636516?img=https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F7d4051c8-712b-4766-ac16-67b308806a7a_1160x829.png&quot;,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="" srcset="https://substackcdn.com/image/fetch/$s_!BtEm!,w_424,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F7d4051c8-712b-4766-ac16-67b308806a7a_1160x829.png 424w, https://substackcdn.com/image/fetch/$s_!BtEm!,w_848,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F7d4051c8-712b-4766-ac16-67b308806a7a_1160x829.png 848w, https://substackcdn.com/image/fetch/$s_!BtEm!,w_1272,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F7d4051c8-712b-4766-ac16-67b308806a7a_1160x829.png 1272w, https://substackcdn.com/image/fetch/$s_!BtEm!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F7d4051c8-712b-4766-ac16-67b308806a7a_1160x829.png 1456w" sizes="100vw" fetchpriority="high"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg role="img" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><title></title><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p><strong>First clinical pregnancy following AI-based microfluidic sperm detection and recovery in non-obstructive azoospermia</strong>, published in <strong>The Lancet</strong>, November 2025. </p><p>Azoospermia is a condition in which no sperm are detected in the ejaculate on standard semen analysis. It can result either from failure of sperm production in the testes or from blockage that prevents sperm from reaching the ejaculate.</p>
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   ]]></content:encoded></item><item><title><![CDATA[When Food Becomes a Drug: The Hidden Addiction Sabotaging Fertility]]></title><description><![CDATA[New evidence shows that ultra-processed foods may trigger addiction-like brain changes&#8212;especially in women&#8212;and could quietly undermine fertility and pregnancy health.]]></description><link>https://substack.obmd.com/p/when-food-becomes-a-drug-the-hidden</link><guid isPermaLink="false">https://substack.obmd.com/p/when-food-becomes-a-drug-the-hidden</guid><dc:creator><![CDATA[Amos Grünebaum, MD]]></dc:creator><pubDate>Tue, 13 Jan 2026 20:40:30 GMT</pubDate><enclosure url="https://substackcdn.com/image/fetch/$s_!IOo2!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1967cf24-5da6-4d74-afc9-fc53494f11df_1426x906.png" length="0" type="image/jpeg"/><content:encoded><![CDATA[<div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="https://substackcdn.com/image/fetch/$s_!IOo2!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1967cf24-5da6-4d74-afc9-fc53494f11df_1426x906.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="https://substackcdn.com/image/fetch/$s_!IOo2!,w_424,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1967cf24-5da6-4d74-afc9-fc53494f11df_1426x906.png 424w, https://substackcdn.com/image/fetch/$s_!IOo2!,w_848,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1967cf24-5da6-4d74-afc9-fc53494f11df_1426x906.png 848w, https://substackcdn.com/image/fetch/$s_!IOo2!,w_1272,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1967cf24-5da6-4d74-afc9-fc53494f11df_1426x906.png 1272w, https://substackcdn.com/image/fetch/$s_!IOo2!,w_1456,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1967cf24-5da6-4d74-afc9-fc53494f11df_1426x906.png 1456w" sizes="100vw"><img src="https://substackcdn.com/image/fetch/$s_!IOo2!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1967cf24-5da6-4d74-afc9-fc53494f11df_1426x906.png" width="1426" height="906" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/1967cf24-5da6-4d74-afc9-fc53494f11df_1426x906.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:906,&quot;width&quot;:1426,&quot;resizeWidth&quot;:null,&quot;bytes&quot;:2074013,&quot;alt&quot;:null,&quot;title&quot;:null,&quot;type&quot;:&quot;image/png&quot;,&quot;href&quot;:null,&quot;belowTheFold&quot;:false,&quot;topImage&quot;:true,&quot;internalRedirect&quot;:&quot;https://obmd.substack.com/i/176447271?img=https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1967cf24-5da6-4d74-afc9-fc53494f11df_1426x906.png&quot;,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="" srcset="https://substackcdn.com/image/fetch/$s_!IOo2!,w_424,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1967cf24-5da6-4d74-afc9-fc53494f11df_1426x906.png 424w, https://substackcdn.com/image/fetch/$s_!IOo2!,w_848,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1967cf24-5da6-4d74-afc9-fc53494f11df_1426x906.png 848w, https://substackcdn.com/image/fetch/$s_!IOo2!,w_1272,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1967cf24-5da6-4d74-afc9-fc53494f11df_1426x906.png 1272w, https://substackcdn.com/image/fetch/$s_!IOo2!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1967cf24-5da6-4d74-afc9-fc53494f11df_1426x906.png 1456w" sizes="100vw" fetchpriority="high"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg role="img" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><title></title><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>New research reveals that ultra-processed food can trigger addiction-like brain changes, especially in women, threatening fertility and pregnancy. It&#8217;s time to treat it like the public health crisis it is.</p><div class="paywall-jump" data-component-name="PaywallToDOM"></div><p>When  a patient tells me she&#8217;s &#8220;trying to eat better&#8221; before getting pregnant, I often ask what that means. She might say she&#8217;s cut back on soda or switched from chips to protein bars. But here&#8217;s the unsettling truth: both are <em>ultra-processed foods</em>&#8212;and growing evidence suggests that these products don&#8217;t just fuel obesity. They may act on the brain much like addictive drugs, altering appetite control and hormonal balance in ways that threaten fertility and long-term health.</p><h3>What Are Ultra-Processed Foods?</h3><blockquote><p><strong>Ultra-processed foods (UPFs)</strong> are industrially manufactured products containing ingredients that don&#8217;t exist in any kitchen pantry&#8212;refined starches, added sugars, industrial fats, flavor enhancers, and emulsifiers. </p></blockquote><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://substack.obmd.com/subscribe?&quot;,&quot;text&quot;:&quot;Subscribe now&quot;,&quot;action&quot;:null,&quot;class&quot;:null}" data-component-name="ButtonCreateButton"><a class="button primary" href="https://substack.obmd.com/subscribe?"><span>Subscribe now</span></a></p><p>They&#8217;re designed for convenience, long shelf life, and &#8220;bliss point&#8221; pleasure. Think of sodas, flavored yogurts, breakfast cereals, sweetened coffee drinks, chips, energy bars, pizza pockets, chicken nuggets, or &#8220;low-fat&#8221; diet cookies.</p><p>Although they look like food, they behave more like a chemical formula engineered to keep you reaching for more. Research from the University of Michigan, published in <em>Addiction</em> (2025), shows that these products stimulate reward centers in the brain through combinations of refined carbohydrates and fats that mirror the neurochemical effects of nicotine or alcohol.</p><p>Here&#8217;s a more complete list of <strong>typical ultra-processed foods (UPFs)</strong> &#8212; the kind most associated with addiction-like eating and negative effects on fertility, metabolism, and pregnancy outcomes:</p><blockquote><p>If it comes in a <strong>box, bag, or bottle</strong> with <strong>more than five ingredients</strong>&#8212;especially ones you wouldn&#8217;t cook with at home (maltodextrin, emulsifiers, colorings, hydrogenated oils, or flavorings)&#8212;it&#8217;s almost certainly <strong>ultra-processed</strong>.</p></blockquote><h3><strong>Sugary and Sweetened Foods</strong></h3><ul><li><p>Candy, chocolate bars, gummies</p></li><li><p>Packaged cookies, pastries, donuts, muffins</p></li><li><p>Sweetened breakfast cereals (e.g., Froot Loops, Frosted Flakes)</p></li><li><p>Ice cream and frozen desserts</p></li><li><p>Protein bars, &#8220;energy&#8221; bars, and granola bars</p></li><li><p>Flavored yogurts and pudding cups</p></li><li><p>Syrups and sweetened spreads (e.g., Nutella, pancake syrup)</p></li><li><p>Artificially sweetened &#8220;diet&#8221; desserts</p></li></ul><h3><strong>Drinks</strong></h3><ul><li><p>Sodas, sports drinks, and energy drinks</p></li><li><p>Sweetened iced teas and lemonades</p></li><li><p>Flavored coffee beverages (frappuccino-type drinks)</p></li><li><p>Powdered drink mixes and meal-replacement shakes</p></li><li><p>Packaged fruit juices or &#8220;juice drinks&#8221; (with added sugar)</p></li><li><p>Flavored waters and sparkling beverages with artificial sweeteners</p></li></ul><h3><strong>Savory Snacks</strong></h3><ul><li><p>Potato chips, corn chips, cheese puffs</p></li><li><p>Pretzels and flavored snack mixes</p></li><li><p>Microwave popcorn with artificial butter</p></li><li><p>Crackers made with refined flour, vegetable oil, and flavor enhancers</p></li></ul><h3><strong>Fast Foods and Ready-to-Eat Meals</strong></h3><ul><li><p>Burgers, fried chicken sandwiches, chicken nuggets</p></li><li><p>French fries and onion rings</p></li><li><p>Frozen pizzas, burritos, and &#8220;TV dinners&#8221;</p></li><li><p>Instant noodles, ramen cups, and boxed mac-and-cheese</p></li><li><p>Processed lunch meats, hot dogs, sausages, and deli slices</p></li><li><p>Pre-made wraps or sandwiches from convenience stores</p></li></ul><h3><strong>&#8220;Diet,&#8221; &#8220;Low-Fat,&#8221; or &#8220;High-Protein&#8221; Processed Foods</strong></h3><ul><li><p>Low-fat cookies, rice cakes, or &#8220;100-calorie&#8221; snack packs</p></li><li><p>Artificial sweeteners and sugar-free candies</p></li><li><p>Meal-replacement shakes or bars</p></li><li><p>Ready-to-drink protein beverages</p></li></ul><h3><strong>Bakery and Breakfast Items</strong></h3><ul><li><p>Packaged bagels, waffles, pancakes, and toaster pastries (e.g., Pop-Tarts)</p></li><li><p>Instant oatmeal packets with flavoring</p></li><li><p>Flavored coffee creamers</p></li></ul><h3><strong>Condiments and Flavor Enhancers</strong></h3><ul><li><p>Ketchup, mayonnaise, and salad dressings with added sugar or emulsifiers</p></li><li><p>Instant sauces, gravies, seasoning packets</p></li><li><p>Processed cheese spreads and &#8220;cheese-flavored&#8221; snacks</p></li><li><p>Margarine and vegetable shortening</p></li></ul><h3><strong>Infant and Family Convenience Foods</strong></h3><ul><li><p>Sweetened baby yogurts, snack puffs, and fruit pur&#233;es in pouches</p></li><li><p>Toddler &#8220;meal kits&#8221; or shelf-stable pasta dishes</p></li><li><p>Boxed &#8220;kid foods&#8221; like mac-and-cheese, nuggets, and sweetened cereals</p></li></ul><p><strong>In short:</strong><br>If it comes in a box, bag, or bottle with more than five ingredients&#8212;especially ones you wouldn&#8217;t cook with at home (maltodextrin, emulsifiers, colorings, hydrogenated oils, or flavorings)&#8212;it&#8217;s almost certainly <strong>ultra-processed</strong>.</p><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://substack.obmd.com/p/when-food-becomes-a-drug-the-hidden?utm_source=substack&utm_medium=email&utm_content=share&action=share&quot;,&quot;text&quot;:&quot;Share&quot;,&quot;action&quot;:null,&quot;class&quot;:null}" data-component-name="ButtonCreateButton"><a class="button primary" href="https://substack.obmd.com/p/when-food-becomes-a-drug-the-hidden?utm_source=substack&utm_medium=email&utm_content=share&action=share"><span>Share</span></a></p><h3>What is and Addiction</h3><p>An Addiction is a state in which a person becomes physically or psychologically dependent on a substance or behavior, continuing to engage in it despite harm. It is not limited to drugs or alcohol; people can become addicted to food, social media, gambling, shopping, or even work. What defines addiction is not the object itself but the loss of control, craving, tolerance, and withdrawal when it is removed. In all forms, addiction hijacks the brain&#8217;s reward system, replacing balance and choice with compulsion and emotional dependence.</p><h3>Addiction by Design</h3><p>The term &#8220;ultra-processed food addiction&#8221; (UPFA) is now being used in serious scientific circles. The 2025 study found that <strong>12.4% of U.S. adults over age 50 met addiction criteria</strong> using the Yale Food Addiction Scale&#8212;comparable to the national rates of alcohol or tobacco addiction.</p><p>Crucially, the highest rate was found in women aged 50&#8211;64 (21%), suggesting a lifelong imprint from the diet culture of the 1980s, when tobacco-owned food companies marketed &#8220;low-fat&#8221; but sugar-laden snacks to women under the guise of health and slimness. These companies pioneered the same strategies once used to sell cigarettes: hyper-palatable ingredients, colorful packaging, emotional advertising, and social normalization of consumption.</p><p>This is not a metaphorical addiction. People report intense cravings, loss of control, withdrawal, and continued use despite harm&#8212;just as in substance use disorders. The combination of refined carbohydrates and fats hijacks the brain&#8217;s dopamine system, creating a &#8220;reward loop&#8221; that overrides hunger and satiety cues.</p><h3>Why This Matters for Women Trying to Conceive  </h3><p>For women planning pregnancy, this is not just a nutrition issue&#8212;it&#8217;s a fertility issue. Studies link high UPF intake with:</p><ul><li><p><strong>Insulin resistance and inflammation</strong>, which disrupt ovulation and embryo implantation</p></li><li><p><strong>Altered gut microbiome</strong>, affecting hormone metabolism and nutrient absorption</p></li><li><p><strong>Increased oxidative stress</strong>, impairing egg quality</p></li><li><p><strong>Higher rates of obesity and gestational diabetes</strong>, both major causes of infertility and pregnancy complications</p></li></ul><p>Even before conception, a diet dominated by UPFs can shift hormone signaling and reduce oocyte quality. During pregnancy, it can contribute to excessive gestational weight gain, gestational diabetes, and altered fetal programming&#8212;raising the baby&#8217;s lifetime risk of obesity and metabolic disease.</p><p>UPFs are calorie-rich but nutrient-poor. They flood the bloodstream with glucose and lipids, triggering repeated insulin spikes that destabilize hormonal balance. Over time, the same reward-seeking circuitry that drives overeating can blunt motivation to prepare wholesome meals, further reinforcing the cycle.</p><h3>Why This Matters for Pregnant Women</h3><p>During pregnancy, the effects of ultra-processed foods go beyond the mother&#8217;s metabolism&#8212;they extend to the developing baby. The placenta, which acts as the baby&#8217;s lifeline, is highly sensitive to changes in blood sugar, lipids, and inflammatory markers. Diets high in UPFs can lead to abnormal placental growth and impaired nutrient transport, which may increase the risk of fetal overgrowth or restricted growth depending on how the mother&#8217;s body responds. The same metabolic shifts that make these foods addictive can also alter hormone levels such as insulin, leptin, and cortisol, influencing how the baby&#8217;s metabolism is &#8220;set&#8221; for the future.</p><p>UPFs also displace essential nutrients critical in early pregnancy, including folate, iron, iodine, and omega-3 fatty acids, which are needed for neural tube formation and brain development. Many women who eat a diet dominated by processed foods appear well-nourished by calorie count but are, in fact, micronutrient deficient. This mismatch&#8212;too much energy but too few nutrients&#8212;creates a form of hidden malnutrition that can silently affect fetal growth and neurodevelopment.</p><p>Finally, pregnancy itself heightens sensitivity to addictive foods. Fluctuating hormones, emotional stress, and fatigue can amplify cravings for quick, sweet, or salty items. Understanding that these cravings are biologically reinforced, not simply a lack of willpower, helps reframe prenatal nutrition as both a medical and psychological challenge. Reducing UPFs is therefore not about perfection or dieting&#8212;it&#8217;s about protecting the shared physiology between mother and baby from an environment engineered to exploit human biology.</p><h3>A New Clinical Language: Addiction, Not Weakness</h3><p>Labeling this behavior &#8220;addiction&#8221; may seem strong&#8212;but it&#8217;s scientifically and ethically important. Calling it <em>lack of willpower</em> ignores the neurobiology. Women who struggle to stop eating chips, sweets, or fast food are not failing morally; they are facing a biologically conditioned compulsion.</p><p>Recognizing UPF addiction reframes the problem from shame to science. It also creates accountability for the food industry, which has long engineered these products for maximal &#8220;craveability.&#8221; The 2025 <em>Addiction</em> study confirms that people with UPF addiction have <strong>2&#8211;4 times higher rates of poor physical and mental health</strong> and are <strong>three times more likely to feel socially isolated</strong>. Food addiction is therefore not just dietary&#8212;it&#8217;s psychological and social.</p><h3>Fertility, Mood, and Metabolism: The Triple Intersection</h3><p>Many women trying to conceive are also coping with anxiety or depression, conditions closely tied to UPF consumption. Emotional eating, mood swings, and body dissatisfaction are often intertwined. UPFs temporarily soothe distress but intensify guilt and fatigue afterward, perpetuating both mental health and metabolic imbalance.</p><p>Emerging evidence suggests that inflammation triggered by UPFs can influence serotonin pathways, making depression and infertility share a biological root. In other words, the same food environment that fuels obesity may also fuel despair and subfertility.</p><h3>The New Preconception Counseling Imperative</h3><p>Preconception visits must expand beyond folic acid and BMI checks. Clinicians should screen for UPF consumption patterns&#8212;soda, processed snacks, fast food frequency&#8212;and discuss <em>food addiction</em> openly, just as we counsel about alcohol or nicotine.</p><p>Practical steps include:</p><ol><li><p><strong>Name the problem</strong>: Explain that &#8220;food addiction&#8221; is a real, studied condition.</p></li><li><p><strong>Spot the triggers</strong>: Encourage patients to read ingredient lists for &#8220;refined starch,&#8221; &#8220;hydrogenated oil,&#8221; or &#8220;flavoring.&#8221;</p></li><li><p><strong>Gradual withdrawal</strong>: Replace one UPF per day with a whole-food equivalent.</p></li><li><p><strong>Mind-gut reconnection</strong>: Mindful eating, regular meals, and gut-supporting foods (fiber, fermented items) can help reset appetite cues.</p></li><li><p><strong>Emotional support</strong>: Referral to nutrition counseling or therapy if cravings or guilt dominate eating behavior.</p></li></ol><p>For those with PCOS, obesity, or irregular cycles, targeting UPF reduction may be more effective for restoring fertility than aggressive weight loss programs alone.</p><h3>The Ethical Dimension: Industry Accountability</h3><p>The moral question isn&#8217;t just &#8220;Why can&#8217;t patients stop eating junk food?&#8221; but &#8220;Why were these products allowed to be designed to override self-control?&#8221; When tobacco companies entered the food market in the 1970s, they transferred decades of addiction science into snack engineering. Today, the legacy persists&#8212;only now the addiction is legal, ubiquitous, and socially normalized.</p><p>For women, this is particularly insidious. Many diet-branded UPFs were marketed as empowering and feminine&#8212;&#8220;guilt-free,&#8221; &#8220;light,&#8221; &#8220;lean cuisine.&#8221; Yet they delivered sugar highs and metabolic crashes that mimicked emotional dependence. This false promise of control may have deepened both physiological and psychological vulnerability.</p><h3>My Take</h3><p>Ultra-processed food addiction is not fringe science. It&#8217;s a public health crisis hiding in plain sight. For women preparing for pregnancy, it may be the single most modifiable determinant of reproductive and mental well-being.</p><p>We need obstetricians, reproductive endocrinologists, and dietitians to treat UPF addiction as seriously as any substance use disorder. Preconception and prenatal care should include nutritional neuroscience&#8212;how foods manipulate reward and hormones.</p><p>Medical societies must advocate for labeling, taxation, and advertising limits similar to tobacco control. And at the personal level, every meal is a chance to reclaim autonomy from a system designed to hijack it.</p><h3>Reflection / Closing</h3><p>If food can act like a drug, should physicians begin screening for &#8220;dietary addiction&#8221; the way we screen for smoking or alcohol use? And if our society knowingly engineers dependence through the supermarket, who truly bears the moral responsibility&#8212;the eater or the designer?</p><p><br></p><p></p>]]></content:encoded></item><item><title><![CDATA[Comprehensive Review of Sperm and Egg Donor Screening Results: Checklist and PROMPT]]></title><description><![CDATA[Donor screening in sperm and egg donation is designed to reduce risk, not to eliminate it.]]></description><link>https://substack.obmd.com/p/comprehensive-review-of-sperm-and</link><guid isPermaLink="false">https://substack.obmd.com/p/comprehensive-review-of-sperm-and</guid><dc:creator><![CDATA[Amos Grünebaum, MD]]></dc:creator><pubDate>Wed, 24 Dec 2025 17:10:49 GMT</pubDate><enclosure url="https://substackcdn.com/image/fetch/$s_!PFyN!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F305e14f7-d9dd-49de-87f8-f56c8ffaa2cb_712x402.png" length="0" type="image/jpeg"/><content:encoded><![CDATA[<div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="https://substackcdn.com/image/fetch/$s_!PFyN!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F305e14f7-d9dd-49de-87f8-f56c8ffaa2cb_712x402.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="https://substackcdn.com/image/fetch/$s_!PFyN!,w_424,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F305e14f7-d9dd-49de-87f8-f56c8ffaa2cb_712x402.png 424w, https://substackcdn.com/image/fetch/$s_!PFyN!,w_848,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F305e14f7-d9dd-49de-87f8-f56c8ffaa2cb_712x402.png 848w, https://substackcdn.com/image/fetch/$s_!PFyN!,w_1272,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F305e14f7-d9dd-49de-87f8-f56c8ffaa2cb_712x402.png 1272w, https://substackcdn.com/image/fetch/$s_!PFyN!,w_1456,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F305e14f7-d9dd-49de-87f8-f56c8ffaa2cb_712x402.png 1456w" sizes="100vw"><img src="https://substackcdn.com/image/fetch/$s_!PFyN!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F305e14f7-d9dd-49de-87f8-f56c8ffaa2cb_712x402.png" width="712" height="402" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/305e14f7-d9dd-49de-87f8-f56c8ffaa2cb_712x402.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:402,&quot;width&quot;:712,&quot;resizeWidth&quot;:null,&quot;bytes&quot;:389519,&quot;alt&quot;:null,&quot;title&quot;:null,&quot;type&quot;:&quot;image/png&quot;,&quot;href&quot;:null,&quot;belowTheFold&quot;:false,&quot;topImage&quot;:true,&quot;internalRedirect&quot;:&quot;https://www.obmd.com/i/182520544?img=https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F305e14f7-d9dd-49de-87f8-f56c8ffaa2cb_712x402.png&quot;,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="" srcset="https://substackcdn.com/image/fetch/$s_!PFyN!,w_424,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F305e14f7-d9dd-49de-87f8-f56c8ffaa2cb_712x402.png 424w, https://substackcdn.com/image/fetch/$s_!PFyN!,w_848,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F305e14f7-d9dd-49de-87f8-f56c8ffaa2cb_712x402.png 848w, https://substackcdn.com/image/fetch/$s_!PFyN!,w_1272,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F305e14f7-d9dd-49de-87f8-f56c8ffaa2cb_712x402.png 1272w, https://substackcdn.com/image/fetch/$s_!PFyN!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F305e14f7-d9dd-49de-87f8-f56c8ffaa2cb_712x402.png 1456w" sizes="100vw" fetchpriority="high"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg role="img" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><title></title><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>Donor screening in sperm and egg donation is designed to reduce risk, not to eliminate it. Modern genetic testing is far more extensive than it was even a decade ago, yet important uncertainties remain. Thousands of genetic conditions exist, many are incompletely understood, and some clinically serious risks cannot be detected with current testing. When donor gametes are used repeatedly, these unavoidable uncertainties are multiplied, changing their ethical significance. </p><p>The following prompts and checklists are intended to support transparent review of donor test results, clarify what has and has not been evaluated, and ensure that informed consent reflects real understanding rather than false reassurance. They are not meant to discourage donor conception, but to promote ethical clarity, accountability, and preventive responsibility in the face of uncertainty.</p><h1>Donor Screening Checklist</h1><p><strong>What to Review Before Using Sperm or Egg Donation</strong></p><p>This checklist helps you understand <strong>what donor testing means, what it does not mean, and what questions to ask</strong> before proceeding.</p><div><hr></div><h2>1. What testing WAS done</h2><p>Check off what you have <strong>actual written results for</strong>, not just summaries.</p><p>&#9744; Infectious disease testing<br>&#9744; Genetic carrier screening (recessive childhood diseases)<br>&#9744; Chromosome testing (karyotype or similar)<br>&#9744; Medical history of the donor<br>&#9744; Family medical history<br>&#9744; Cancer-related genetic testing (if any)<br>&#9744; Other genetic panels (list them): ______________________</p><p><strong>Important:</strong> Ask for a list of <strong>exact genes tested</strong>, not just &#8220;expanded panel.&#8221;</p><div><hr></div><h2>2. What each negative result really means</h2><p>For each test, confirm that you understand:</p><p>&#9744; What the test is designed to find<br>&#9744; What a negative result rules out<br>&#9744; What it does <strong>not</strong> rule out<br>&#9744; Whether the test reduces risk a lot or only a little<br>&#9744; Whether the test can miss rare or new conditions</p><p><strong>Key point:</strong> A negative test does <strong>not</strong> mean &#8220;no genetic risk.&#8221;</p><div><hr></div><h2>3. What is usually NOT tested</h2><p>Ask directly whether testing included:</p><p>&#9744; Dominant cancer predisposition genes<br>&#9744; Conditions with adult onset<br>&#9744; Conditions with variable expression or incomplete penetrance<br>&#9744; Germline mosaicism (usually not detectable)<br>&#9744; Mitochondrial disorders (egg donors)</p><p>If not tested, ask: <strong>Why not, and what does that mean for risk?</strong></p><div><hr></div><h2>4. Timing matters</h2><p>&#9744; How old are these test results?<br>&#9744; Were newer or broader tests developed since then?<br>&#9744; Would repeating or expanding testing today change anything meaningful?</p><p>Older tests may still be valid, but you should know their limits.</p><div><hr></div><h2>5. How donor screening compares to natural conception</h2><p>Understand this clearly:</p><p>&#9744; Most biological parents are <strong>not</strong> screened for cancer genes<br>&#9744; Donor screening is often <strong>more extensive</strong>, but still incomplete<br>&#9744; Donor screening reduces risk, it does not eliminate it</p><p>This is about <strong>risk reduction</strong>, not certainty.</p><div><hr></div><h2>6. Scale matters ethically</h2><p>Ask and document:</p><p>&#9744; How many families has this donor already been used for?<br>&#9744; In how many countries or clinics?<br>&#9744; Are there limits, and who enforces them?</p><p><strong>Important:</strong> A rare risk becomes more likely when repeated many times.</p><div><hr></div><h2>7. What you should be told, ethically</h2><p>You deserve to know:</p><p>&#9744; What is known<br>&#9744; What is unknown<br>&#9744; What cannot be known with current science<br>&#9744; Where uncertainty still exists</p><p>If something is uncertain, it should be stated clearly.</p><div><hr></div><h2>8. Questions to ask before proceeding</h2><p>&#9744; What risks remain even with all current testing?<br>&#9744; Which risks cannot be reduced by more testing?<br>&#9744; Are there risks that increase because this donor is used many times?<br>&#9744; What happens if a new problem is discovered years from now?</p><div><hr></div><h2>9. Red flags to notice</h2><p>Be cautious if you hear:</p><p>&#9744; &#8220;This donor is completely safe&#8221;<br>&#9744; &#8220;Everything has been tested&#8221;<br>&#9744; &#8220;There is nothing to worry about&#8221;<br>&#9744; &#8220;This is extremely rare, so it doesn&#8217;t matter&#8221;</p><p>Ethical counseling explains limits. Marketing minimizes them.</p><div><hr></div><h2>10. Bottom line to remember</h2><p>&#9744; Screening reduces risk but never removes it<br>&#9744; Genetics is probabilistic, not certain<br>&#9744; The biggest ethical risk is <strong>scale</strong>, not testing failure<br>&#9744; Honest uncertainty is safer than false reassurance</p><div><hr></div><p><strong>If you want:</strong><br>This checklist can be reviewed with a genetic counselor or physician who is willing to discuss <strong>uncertainty openly</strong>, not just results.</p><h2>PROMPTS</h2><p><strong>How to Use These Prompts</strong></p><p>These prompts are designed to help prospective recipients and clinicians <strong>critically review donor screening results</strong>, rather than assume that screening equals safety. Donor testing reduces risk, but it does not remove uncertainty, and important genetic risks may remain even when all standard requirements are met. To use the prompts, first obtain <strong>complete copies of all donor test reports</strong>, not summaries or profiles. Then paste the results <strong>verbatim and in full</strong> into the prompt, including laboratory names, dates, and gene lists if available. The prompt should be run <strong>without paraphrasing or omission</strong>, and the output reviewed slowly, focusing on what each test does and does not rule out, which risks remain, and where uncertainty persists. The goal is not reassurance or decision-making by the tool itself, but <strong>clarity</strong>. These prompts are most effective when their output is reviewed with a clinician or genetic counselor who is willing to discuss limits openly and document informed consent that reflects understanding, not assumption.</p><blockquote><p><em>I acknowledge that donor screening is intended to reduce, but cannot eliminate, genetic and medical risks. I understand that current testing does not detect all conditions, including rare, de novo, or mosaic genetic variants, and that scientific knowledge and testing capabilities are inherently limited and may evolve over time. I further understand that the use of donor gametes may involve risks that cannot be fully predicted or prevented, including risks that may become apparent only after conception or birth, and that my decision is made with awareness of these limitations and uncertainties.</em></p></blockquote><h2>PROMPT 1: Comprehensive Review of <strong>Sperm Donor</strong> Screening Results</h2><p>You are acting as a <strong>reproductive genetics consultant and clinical ethicist</strong> with expertise in sperm donation, donor screening standards, population risk amplification, and ethical risk disclosure.</p><p>I will provide you with <strong>all available medical, genetic, and laboratory test results</strong> from a prospective sperm donor.</p><h3>YOUR TASKS</h3><h4>1. Inventory and Classification</h4><p>Create a <strong>complete inventory</strong> of all tests performed.<br>For each test, state clearly:</p><ul><li><p>Test name</p></li><li><p>Category (infectious disease, carrier screening, chromosomal analysis, targeted gene testing, sequencing panel)</p></li><li><p>Specimen type (blood, semen, saliva)</p></li><li><p>Date performed</p></li><li><p>Laboratory and testing methodology, if available</p></li><li><p>Whether the test is <strong>screening</strong> or <strong>diagnostic</strong></p></li></ul><p>Present this in a <strong>structured table</strong>.</p><div><hr></div><h4>2. Interpretation of Each Result</h4><p>For <strong>each test</strong>, explain in plain, precise language:</p><ul><li><p>What the test is designed to detect</p></li><li><p>What a normal or negative result means</p></li><li><p>What it does <strong>not</strong> rule out</p></li><li><p>Known limitations, including false negatives and biological constraints</p></li><li><p>Whether the result meaningfully reduces reproductive risk or only partially addresses it</p></li></ul><p>Avoid vague reassurance. Quantify or contextualize risk whenever possible.</p><div><hr></div><h4>3. Male-Specific Genetic and Biological Risks</h4><p>Address risks particularly relevant to sperm donation:</p><ul><li><p>Autosomal recessive carrier status</p></li><li><p>Autosomal dominant conditions</p></li><li><p>X-linked conditions transmitted to female offspring</p></li><li><p><strong>Germline mosaicism</strong>, including why semen-based risk may differ from blood testing</p></li><li><p>Cancer predisposition syndromes with incomplete penetrance</p></li></ul><p>Explicitly state which of these were evaluated, partially evaluated, or not evaluated.</p><div><hr></div><h4>4. Missing or Incomplete Testing</h4><p>Identify <strong>all relevant gaps</strong>, including but not limited to:</p><ul><li><p>Dominant cancer predisposition genes, if not tested</p></li><li><p>Conditions that cannot be detected by blood testing alone</p></li><li><p>Mosaic mutations affecting sperm</p></li><li><p>Age-related mutational risk, if applicable</p></li><li><p>Limits of family history&#8211;based screening</p></li></ul><p>List missing elements explicitly.</p><div><hr></div><h4>5. Temporal Relevance</h4><p>Assess:</p><ul><li><p>Whether tests are outdated by current standards</p></li><li><p>Whether expanded panels now exist that were not available at testing</p></li><li><p>Whether re-testing would materially change risk understanding</p></li></ul><div><hr></div><h4>6. Comparison to Natural Conception</h4><p>Explain how this donor&#8217;s screening compares with:</p><ul><li><p>Typical screening of biological fathers in natural conception</p></li><li><p>Routine partner screening in obstetric practice</p></li></ul><p>Clarify where donor screening is more extensive and where it is not.</p><div><hr></div><h4>7. Scale and Risk Amplification</h4><p>Explain how residual genetic uncertainty changes when:</p><ul><li><p>One sperm donor is used once</p></li><li><p>The same donor is used repeatedly across many families and countries</p></li></ul><p>Emphasize that <strong>scale transforms probability into foreseeable harm</strong>.</p><div><hr></div><h4>8. Ethical Transparency Check</h4><p>Answer directly:</p><ul><li><p>Would a reasonable recipient overestimate safety based on these results?</p></li><li><p>Are there risks that are ethically significant but scientifically unavoidable?</p></li><li><p>Is uncertainty being minimized by presentation rather than explained?</p></li></ul><div><hr></div><h4>9. Recommendations</h4><p>Provide three lists:</p><ol><li><p>Tests that <strong>should strongly be considered adding</strong>, with justification</p></li><li><p>Tests that <strong>would add little value</strong>, and why</p></li><li><p>Risks that <strong>cannot be meaningfully reduced by additional testing</strong></p></li></ol><div><hr></div><h4>10. Plain-Language Summary</h4><p>Summarize for a non-medical reader:</p><ul><li><p>What is known</p></li><li><p>What remains unknown</p></li><li><p>What cannot be known</p></li><li><p>Where the greatest remaining risks lie, especially due to scale</p></li></ul><div><hr></div><h3>CRITICAL CONSTRAINTS</h3><ul><li><p>Do not equate negative tests with safety</p></li><li><p>Do not minimize uncertainty</p></li><li><p>Distinguish scientific limits from ethical decisions</p></li><li><p>State clearly when evidence is insufficient</p></li></ul><div><hr></div><h3>INPUT INSTRUCTIONS</h3><p>After this prompt, I will paste all donor test results and documentation.<br>Wait for that information before proceeding.</p><div><hr></div><div><hr></div><h2>PROMPT 2: Comprehensive Review of <strong>Egg Donor</strong> Screening Results</h2><p>You are acting as a <strong>reproductive genetics consultant and clinical ethicist</strong> with expertise in egg donation, maternal-effect genetics, mitochondrial inheritance, and donor screening ethics.</p><p>I will provide <strong>all available medical, genetic, and laboratory test results</strong> from a prospective egg donor.</p><h3>YOUR TASKS</h3><h4>1. Inventory and Classification</h4><p>Create a <strong>complete inventory</strong> of all tests performed.<br>For each test, state:</p><ul><li><p>Test name</p></li><li><p>Category (infectious disease, carrier screening, chromosomal analysis, sequencing panel, reproductive health assessment)</p></li><li><p>Specimen type (blood, saliva, other)</p></li><li><p>Date performed</p></li><li><p>Laboratory and testing methodology</p></li><li><p>Whether the test is <strong>screening</strong> or <strong>diagnostic</strong></p></li></ul><p>Present this in a <strong>structured table</strong>.</p><div><hr></div><h4>2. Interpretation of Each Result</h4><p>For each test, explain clearly:</p><ul><li><p>What the test detects</p></li><li><p>What a negative or normal result means</p></li><li><p>What it does <strong>not</strong> exclude</p></li><li><p>Test limitations, including penetrance and expression variability</p></li><li><p>Whether the result reduces risk for offspring or primarily informs donor health</p></li></ul><p>Avoid reassurance language.</p><div><hr></div><h4>3. Female-Specific Genetic and Biological Risks</h4><p>Address risks unique or especially relevant to egg donation:</p><ul><li><p>Autosomal recessive carrier status</p></li><li><p>Autosomal dominant conditions</p></li><li><p>X-linked inheritance</p></li><li><p><strong>Mitochondrial DNA disorders</strong></p></li><li><p>Conditions influenced by maternal genetic contribution beyond nuclear DNA</p></li><li><p>Cancer predisposition syndromes relevant to female carriers</p></li></ul><p>State explicitly what was and was not evaluated.</p><div><hr></div><h4>4. Missing or Incomplete Testing</h4><p>Identify gaps including:</p><ul><li><p>Mitochondrial genome assessment, if absent</p></li><li><p>Dominant adult-onset conditions</p></li><li><p>Conditions with incomplete penetrance</p></li><li><p>Structural chromosomal issues beyond standard karyotype</p></li><li><p>Limits of family history screening</p></li></ul><p>List missing elements explicitly.</p><div><hr></div><h4>5. Temporal Relevance</h4><p>Assess:</p><ul><li><p>Whether testing reflects current standards</p></li><li><p>Whether newer panels or methodologies would add meaningful insight</p></li><li><p>Whether repeat testing would materially change understanding</p></li></ul><div><hr></div><h4>6. Comparison to Natural Conception</h4><p>Explain how this donor&#8217;s screening compares with:</p><ul><li><p>Typical screening of women conceiving naturally</p></li><li><p>Standard prenatal genetic screening practices</p></li></ul><p>Clarify where donor screening exceeds routine care and where it does not.</p><div><hr></div><h4>7. Scale and Reproductive Impact</h4><p>Explain how uncertainty changes when:</p><ul><li><p>One egg donation results in one child</p></li><li><p>The same donor&#8217;s eggs result in multiple children over time</p></li></ul><p>Discuss scale even when absolute numbers are smaller than sperm donation.</p><div><hr></div><h4>8. Ethical Transparency Check</h4><p>Answer directly:</p><ul><li><p>Would recipients likely assume greater certainty than justified?</p></li><li><p>Are important risks ethically relevant but scientifically unavoidable?</p></li><li><p>Is donor health screening being conflated with offspring safety?</p></li></ul><div><hr></div><h4>9. Recommendations</h4><p>Provide:</p><ol><li><p>Tests that should <strong>strongly be considered adding</strong>, with rationale</p></li><li><p>Tests that would <strong>add little value</strong>, with explanation</p></li><li><p>Areas where <strong>no testing can meaningfully reduce uncertainty</strong></p></li></ol><div><hr></div><h4>10. Plain-Language Summary</h4><p>End with a non-technical explanation of:</p><ul><li><p>What is known</p></li><li><p>What is unknown</p></li><li><p>What cannot be known</p></li><li><p>What risks remain despite extensive screening</p></li></ul><div><hr></div><h3>CRITICAL CONSTRAINTS</h3><ul><li><p>Do not assume negative tests equal safety</p></li><li><p>Do not minimize uncertainty</p></li><li><p>Separate maternal health screening from offspring risk</p></li><li><p>State clearly when evidence is incomplete</p></li></ul><div><hr></div><h3>INPUT INSTRUCTIONS</h3><p>After this prompt, I will paste all egg donor test results and documentation.<br>Wait for that information before proceeding.</p><p></p><p>Below is a <strong>clinic-facing, one-page checklist</strong> intended for <strong>fertility clinics, reproductive endocrinologists, donor programs, and genetic counselors</strong>.<br>It is written to support <strong>ethical compliance, transparency, and defensibility</strong>, not marketing or reassurance.</p><div><hr></div><h2>Donor Screening Transparency Checklist</h2><h2><strong>Clinic Version &#8211; Sperm and Egg Donation</strong></h2><p><strong>Purpose:</strong><br>To ensure donor screening, counseling, and documentation meet not only regulatory requirements but also ethical standards for informed consent under uncertainty.</p><div><hr></div><h2>1. Documentation completeness</h2><p>Confirm that the medical record contains:</p><p>&#9744; Original laboratory reports, not summaries<br>&#9744; Dates of all tests<br>&#9744; Names of laboratories and methodologies<br>&#9744; Gene lists for all genetic panels<br>&#9744; Clear distinction between screening vs diagnostic testing</p><p><strong>Do not rely on marketing summaries or donor profiles alone.</strong></p><div><hr></div><h2>2. Screening categories reviewed</h2><p>Confirm that the following categories were explicitly addressed and documented:</p><p>&#9744; Infectious disease screening (per regulatory requirements)<br>&#9744; Medical history and physical assessment<br>&#9744; Family history, including cancer history<br>&#9744; Autosomal recessive carrier screening<br>&#9744; Autosomal dominant conditions, if tested<br>&#9744; X-linked conditions<br>&#9744; Chromosomal analysis (karyotype or equivalent)<br>&#9744; Additional testing specific to sperm or egg donation</p><div><hr></div><h2>3. Explicit limitations documented</h2><p>Ensure the consent record includes acknowledgment that:</p><p>&#9744; Negative results do not eliminate genetic risk<br>&#9744; Rare conditions and de novo mutations may not be detected<br>&#9744; Germline mosaicism cannot be reliably excluded<br>&#9744; Penetrance and expression are variable and unpredictable<br>&#9744; Scientific knowledge evolves over time</p><p><strong>Absence of this language creates ethical and legal vulnerability.</strong></p><div><hr></div><h2>4. Sex-specific risk disclosure</h2><h3>For sperm donation:</h3><p>&#9744; Germline mosaicism discussed<br>&#9744; Scale-dependent risk explained<br>&#9744; X-linked transmission addressed<br>&#9744; Age-related mutational risk, if relevant</p><h3>For egg donation:</h3><p>&#9744; Mitochondrial inheritance discussed<br>&#9744; Maternal-effect genetics clarified<br>&#9744; Female-specific cancer predisposition risks addressed<br>&#9744; Distinction made between donor health screening and offspring risk</p><div><hr></div><h2>5. Scale and distribution transparency</h2><p>Document that recipients were informed of:</p><p>&#9744; Number of families already using the donor<br>&#9744; Geographic distribution, if international<br>&#9744; National or clinic-specific limits<br>&#9744; Absence of international caps, if applicable</p><p><strong>Scale must be treated as an ethical variable, not an administrative detail.</strong></p><div><hr></div><h2>6. Temporal relevance assessment</h2><p>Confirm that counseling addressed:</p><p>&#9744; Age of genetic testing<br>&#9744; Whether newer panels now exist<br>&#9744; Whether re-testing would materially change risk assessment<br>&#9744; Limits of retrospective reinterpretation</p><div><hr></div><h2>7. Comparison to natural conception clarified</h2><p>Ensure recipients were told that:</p><p>&#9744; Most biological parents are not screened for cancer genes<br>&#9744; Donor screening is more extensive than routine care, but incomplete<br>&#9744; Donor screening reduces risk, it does not guarantee safety</p><p>This prevents false assumptions of genetic certainty.</p><div><hr></div><h2>8. Language audit</h2><p>Review counseling language for the following red flags:</p><p>&#9744; &#8220;Completely screened&#8221;<br>&#9744; &#8220;Genetically safe&#8221;<br>&#9744; &#8220;Everything was tested&#8221;<br>&#9744; &#8220;No remaining risk&#8221;</p><p>Replace with language that accurately reflects uncertainty.</p><div><hr></div><h2>9. Ethical consent confirmation</h2><p>Before proceeding, confirm that:</p><p>&#9744; Uncertainty was discussed, not minimized<br>&#9744; Missing tests were disclosed<br>&#9744; Limits of screening were explained<br>&#9744; Consent reflects understanding, not just signature</p><div><hr></div><h2>10. Record defensibility check</h2><p>Ask internally:</p><p>&#9744; Would this consent withstand review years later after an adverse outcome?<br>&#9744; Is uncertainty documented as clearly as testing?<br>&#9744; Is scale-related risk explicitly acknowledged?</p><p>If not, consent is ethically incomplete.</p><div><hr></div><h3>Ethical bottom line for clinics</h3><p>Donor screening is a <strong>risk-reduction strategy</strong>, not a guarantee.<br>Ethical practice requires that clinics disclose not only <strong>what was tested</strong>, but also <strong>what could not be tested and why that matters at scale</strong>.</p>]]></content:encoded></item><item><title><![CDATA[IVF Without Safety: The Ethical Catastrophe of Political Pronatalism]]></title><description><![CDATA[Promoting IVF while maternal mortality rises is not pro-family&#8212;it&#8217;s policy malpractice. Family building begins with keeping mothers alive.]]></description><link>https://substack.obmd.com/p/ivf-without-safety-the-ethical-catastrophe</link><guid isPermaLink="false">https://substack.obmd.com/p/ivf-without-safety-the-ethical-catastrophe</guid><dc:creator><![CDATA[Amos Grünebaum, MD]]></dc:creator><pubDate>Thu, 18 Dec 2025 14:17:12 GMT</pubDate><enclosure url="https://substackcdn.com/image/fetch/$s_!zrVP!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6d504447-fdc4-4806-a4c6-19be665080c2_1200x627.jpeg" length="0" type="image/jpeg"/><content:encoded><![CDATA[<div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="https://substackcdn.com/image/fetch/$s_!zrVP!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6d504447-fdc4-4806-a4c6-19be665080c2_1200x627.jpeg" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="https://substackcdn.com/image/fetch/$s_!zrVP!,w_424,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6d504447-fdc4-4806-a4c6-19be665080c2_1200x627.jpeg 424w, https://substackcdn.com/image/fetch/$s_!zrVP!,w_848,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6d504447-fdc4-4806-a4c6-19be665080c2_1200x627.jpeg 848w, https://substackcdn.com/image/fetch/$s_!zrVP!,w_1272,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6d504447-fdc4-4806-a4c6-19be665080c2_1200x627.jpeg 1272w, https://substackcdn.com/image/fetch/$s_!zrVP!,w_1456,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6d504447-fdc4-4806-a4c6-19be665080c2_1200x627.jpeg 1456w" sizes="100vw"><img src="https://substackcdn.com/image/fetch/$s_!zrVP!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6d504447-fdc4-4806-a4c6-19be665080c2_1200x627.jpeg" width="1200" height="627" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/6d504447-fdc4-4806-a4c6-19be665080c2_1200x627.jpeg&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:627,&quot;width&quot;:1200,&quot;resizeWidth&quot;:null,&quot;bytes&quot;:110694,&quot;alt&quot;:null,&quot;title&quot;:null,&quot;type&quot;:&quot;image/jpeg&quot;,&quot;href&quot;:null,&quot;belowTheFold&quot;:false,&quot;topImage&quot;:true,&quot;internalRedirect&quot;:&quot;https://obmd.substack.com/i/176582069?img=https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6d504447-fdc4-4806-a4c6-19be665080c2_1200x627.jpeg&quot;,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="" srcset="https://substackcdn.com/image/fetch/$s_!zrVP!,w_424,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6d504447-fdc4-4806-a4c6-19be665080c2_1200x627.jpeg 424w, https://substackcdn.com/image/fetch/$s_!zrVP!,w_848,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6d504447-fdc4-4806-a4c6-19be665080c2_1200x627.jpeg 848w, https://substackcdn.com/image/fetch/$s_!zrVP!,w_1272,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6d504447-fdc4-4806-a4c6-19be665080c2_1200x627.jpeg 1272w, https://substackcdn.com/image/fetch/$s_!zrVP!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6d504447-fdc4-4806-a4c6-19be665080c2_1200x627.jpeg 1456w" sizes="100vw" fetchpriority="high"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg role="img" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><title></title><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p></p><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://substack.obmd.com/subscribe?&quot;,&quot;text&quot;:&quot;Subscribe now&quot;,&quot;action&quot;:null,&quot;class&quot;:null}" data-component-name="ButtonCreateButton"><a class="button primary" href="https://substack.obmd.com/subscribe?"><span>Subscribe now</span></a></p><p>As an obstetrician and MFM specialist, I must categorically reject the idea that expanding in vitro fertilization (IVF) access, without fixing our broken maternal care system, represents progress. </p><blockquote><p>The United States has the highest maternal mortality rate among developed nations&#8212;and it is still rising. Promoting more pregnancies without first securing safe systems for childbirth is not compassion. It is negligence at scale.</p></blockquote><p>Every year, hundreds of women in the United States die from pregnancy-related causes that should never occur in a wealthy nation. Hemorrhage, preeclampsia, infection, and cardiovascular complications remain leading culprits, but behind these medical terms lies a deeper failure: a disintegrating safety infrastructure. Labor units are closing across rural America. Postpartum care remains an afterthought. Racial disparities are widening. Yet the latest political headlines celebrate efforts to &#8220;expand access to IVF&#8221; as if that alone constitutes progress in women&#8217;s health.</p><blockquote><p>IVF is an extraordinary scientific achievement. It has helped millions of families conceive. But it is also a medical intervention that carries higher risks than spontaneous conception. </p></blockquote><p>Women who conceive through IVF are significantly more likely to develop preeclampsia, placenta previa, postpartum hemorrhage, and to deliver preterm or by cesarean section. These risks increase further with advanced maternal age and multiple gestations&#8212;both more common in IVF patients. To expand IVF access without simultaneously strengthening obstetric safety systems is to invite predictable tragedy.</p><p>In ethics, context is everything. When a system is already failing to protect mothers, encouraging more high-risk pregnancies becomes morally indefensible. The policy calculus here is not neutral: it shifts risk downward onto women while shifting political credit upward to those who claim to be &#8220;pro-family.&#8221; This is not family building. It is political theater staged on the bodies of pregnant women.</p><p>The contradiction deepens when viewed against the backdrop of the Dobbs decision and its aftermath. </p><blockquote><p>The same political movement now claiming to &#8220;support IVF and fertility care&#8221; has spent the past two years dismantling reproductive rights. State abortion bans have criminalized physicians, delayed lifesaving care, and endangered women with ectopic pregnancies, sepsis, and miscarriages. The Alabama Supreme Court&#8217;s 2024 ruling&#8212;declaring frozen embryos to be legally equivalent to children&#8212;shows how this ideology collapses under its own weight. IVF inherently involves the creation, freezing, and often the discarding of embryos. Declaring embryos &#8220;persons&#8221; makes IVF legally precarious, if not impossible.</p></blockquote><p>This is not an abstract ethical puzzle. It is a direct consequence of selective moral reasoning. A government cannot credibly promote IVF while simultaneously endorsing embryo personhood laws that criminalize the very process. The ethical contradiction is staggering.</p><p>The rhetoric of &#8220;lowering costs&#8221; adds insult to injury. Without insurance mandates, federal subsidies, or Medicaid coverage, IVF remains financially out of reach for most families. One cycle averages over $15,000 and may need to be repeated several times. Claiming affordability while refusing to fund it is like promising universal education while shuttering public schools. It sounds compassionate but functions as exclusion. Fertility care remains the privilege of the insured and affluent, while millions of women lack access to even basic prenatal care.</p><p>If policymakers truly cared about family building, they would start where families actually struggle: with maternal safety, economic stability, and postpartum support. They would ensure every hospital that delivers babies has 24/7 obstetric coverage, blood banking, and rapid response teams. They would fund community-based doulas and midwives, especially in underserved areas. They would guarantee paid parental leave, mental health services, and access to contraception and abortion. Those are the foundations of reproductive freedom and family health.</p><p>Instead, we are witnessing the rise of selective pronatalism&#8212;a moralized push for more births, detached from any commitment to maternal survival or autonomy. It is the same logic that drives abortion bans and opposes contraception access: an obsession with pregnancy as a moral outcome rather than a medical event. But ethics demands coherence. You cannot claim to value life while ignoring the lives of the women who create it.</p><p>In medicine, &#8220;first, do no harm&#8221; applies not only to individuals but to systems. Expanding high-risk pregnancies without expanding safety is harm. Encouraging IVF in states where pregnant women cannot obtain emergency abortions is harm. Using women&#8217;s fertility as a political prop while refusing to invest in maternal health is harm.</p><p>The ethical obligation of physicians is to resist policies that endanger patients, even when cloaked in the language of &#8220;family values.&#8221; Our duty is to truth, safety, and compassion&#8212;not to ideology.</p><p><strong>Reflection / Closing:</strong><br>Ethics without empathy is manipulation. Policy without safety is malpractice. If America truly wishes to support families, it must first protect mothers. More pregnancies without more safety means more deaths, not more life. Until maternal survival is treated as a non-negotiable national priority, every political celebration of &#8220;fertility expansion&#8221; remains an empty gesture&#8212;dangerous, dishonest, and profoundly unethical.</p>]]></content:encoded></item><item><title><![CDATA[Good Eggs, Bad Eggs: What Prospective Parents Need to Know]]></title><description><![CDATA[Your chances getting pregnant depends a lot on your eggs, quantity and quality]]></description><link>https://substack.obmd.com/p/good-eggs-bad-eggs-what-prospective</link><guid isPermaLink="false">https://substack.obmd.com/p/good-eggs-bad-eggs-what-prospective</guid><dc:creator><![CDATA[Amos Grünebaum, MD]]></dc:creator><pubDate>Thu, 02 Oct 2025 08:00:04 GMT</pubDate><enclosure url="https://substackcdn.com/image/fetch/$s_!YiTh!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd96bcfe9-470e-4cd7-8282-6e04fae34a79_742x484.png" length="0" type="image/jpeg"/><content:encoded><![CDATA[<div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="https://substackcdn.com/image/fetch/$s_!YiTh!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd96bcfe9-470e-4cd7-8282-6e04fae34a79_742x484.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="https://substackcdn.com/image/fetch/$s_!YiTh!,w_424,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd96bcfe9-470e-4cd7-8282-6e04fae34a79_742x484.png 424w, https://substackcdn.com/image/fetch/$s_!YiTh!,w_848,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd96bcfe9-470e-4cd7-8282-6e04fae34a79_742x484.png 848w, https://substackcdn.com/image/fetch/$s_!YiTh!,w_1272,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd96bcfe9-470e-4cd7-8282-6e04fae34a79_742x484.png 1272w, https://substackcdn.com/image/fetch/$s_!YiTh!,w_1456,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd96bcfe9-470e-4cd7-8282-6e04fae34a79_742x484.png 1456w" sizes="100vw"><img src="https://substackcdn.com/image/fetch/$s_!YiTh!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd96bcfe9-470e-4cd7-8282-6e04fae34a79_742x484.png" width="742" height="484" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/d96bcfe9-470e-4cd7-8282-6e04fae34a79_742x484.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:484,&quot;width&quot;:742,&quot;resizeWidth&quot;:null,&quot;bytes&quot;:711508,&quot;alt&quot;:null,&quot;title&quot;:null,&quot;type&quot;:&quot;image/png&quot;,&quot;href&quot;:null,&quot;belowTheFold&quot;:false,&quot;topImage&quot;:true,&quot;internalRedirect&quot;:&quot;https://obmd.substack.com/i/173112305?img=https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd96bcfe9-470e-4cd7-8282-6e04fae34a79_742x484.png&quot;,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="" srcset="https://substackcdn.com/image/fetch/$s_!YiTh!,w_424,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd96bcfe9-470e-4cd7-8282-6e04fae34a79_742x484.png 424w, https://substackcdn.com/image/fetch/$s_!YiTh!,w_848,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd96bcfe9-470e-4cd7-8282-6e04fae34a79_742x484.png 848w, https://substackcdn.com/image/fetch/$s_!YiTh!,w_1272,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd96bcfe9-470e-4cd7-8282-6e04fae34a79_742x484.png 1272w, https://substackcdn.com/image/fetch/$s_!YiTh!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd96bcfe9-470e-4cd7-8282-6e04fae34a79_742x484.png 1456w" sizes="100vw" fetchpriority="high"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg role="img" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><title></title><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>When Sarah came to see me at age 34, she was healthy, active, and eager to start a family. She had regular cycles, no medical issues, and assumed getting pregnant would be easy. What she didn&#8217;t know&#8212;and what so many women and couples don&#8217;t realize&#8212;is that the quality of a woman&#8217;s eggs is the single most important factor in fertility.</p><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://substack.obmd.com/subscribe?&quot;,&quot;text&quot;:&quot;Subscribe now&quot;,&quot;action&quot;:null,&quot;class&quot;:null}" data-component-name="ButtonCreateButton"><a class="button primary" href="https://substack.obmd.com/subscribe?"><span>Subscribe now</span></a></p><h3>Fertility and the Role of Eggs</h3><p>Every woman is born with all the eggs she will ever have. Unlike sperm, which are produced daily throughout a man&#8217;s life, egg supply steadily declines from birth until menopause. But it&#8217;s not only the number of eggs that matters&#8212;it&#8217;s their quality.</p><p>A &#8220;good egg&#8221; contains the right number of chromosomes and healthy mitochondria (the energy factories inside cells). This makes it much more likely to fertilize, develop into a healthy embryo, and result in a live birth. A &#8220;bad egg,&#8221; by contrast, may have chromosomal errors, damaged DNA, or weak energy reserves. These eggs either fail to fertilize, fail to implant, or result in early miscarriage.</p><h3>Age and Egg Quality</h3><p>Age is the most powerful influence on egg quality. At age 20, about 80&#8211;90% of a woman&#8217;s eggs are chromosomally normal. By age 35, that percentage drops to about 50%. By 40, only about 10&#8211;20% of eggs are normal. This explains why fertility treatments such as IVF have much higher success rates in younger women, even when using the same protocols.</p><p>This decline is a biological reality&#8212;not something you can control with diet or supplements. While healthy living helps overall fertility, it cannot turn an abnormal egg into a normal one.</p><h3>Can We Test Egg Quality?</h3><p>This is where things often get confusing for patients. Doctors can measure <strong>egg quantity</strong>&#8212;but not <strong>egg quality</strong>&#8212;with current tests. Blood work such as AMH (Anti-M&#252;llerian Hormone) or day-3 FSH, along with ultrasound antral follicle counts, are widely used in fertility clinics. They can estimate how many eggs remain, but they say little about whether those eggs are healthy.</p><p>AMH in particular has been marketed as a kind of fertility crystal ball, even sold directly to consumers. But it&#8217;s not fool-proof. A high AMH does not guarantee good eggs or pregnancy success, and a low AMH does not mean you cannot conceive. It only reflects the size of the ovarian reserve, not the genetic integrity of the eggs.</p><p>Consider two examples:</p><ul><li><p>A 30-year-old with a low AMH may still have mostly chromosomally normal eggs, meaning her chance of pregnancy per egg is high.</p></li><li><p>A 42-year-old with a normal AMH may still face a high percentage of abnormal eggs simply because of age.</p></li></ul><p>The critical point: <strong>egg quality is driven far more by age than by lab results.</strong> Even with all our modern technology, the only way to truly observe egg quality is indirectly&#8212;through fertilization, embryo development, and sometimes genetic testing of embryos in the IVF lab.</p><p>For prospective parents, this means two things:</p><ol><li><p>Do not panic if your AMH is &#8220;low&#8221;&#8212;it does not mean zero chance.</p></li><li><p>Do not feel falsely reassured if your AMH is &#8220;normal&#8221;&#8212;it does not cancel out the effect of age.</p></li></ol><p>In short, AMH is a useful tool for guiding fertility treatments, especially IVF stimulation, but it is not a fertility predictor for natural conception. Relying too heavily on the number can cause unnecessary anxiety&#8212;or false confidence.</p><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://substack.obmd.com/p/good-eggs-bad-eggs-what-prospective?utm_source=substack&utm_medium=email&utm_content=share&action=share&quot;,&quot;text&quot;:&quot;Share&quot;,&quot;action&quot;:null,&quot;class&quot;:null}" data-component-name="ButtonCreateButton"><a class="button primary" href="https://substack.obmd.com/p/good-eggs-bad-eggs-what-prospective?utm_source=substack&utm_medium=email&utm_content=share&action=share"><span>Share</span></a></p><h3>Polycystic Ovary Syndrome (PCOS)</h3><p><strong>What it is:</strong><br>Polycystic Ovary Syndrome, or PCOS, is a hormonal condition that affects about 1 in 10 women of reproductive age. It&#8217;s characterized by irregular menstrual cycles, higher levels of male-type hormones (androgens), and ovaries that often appear &#8220;polycystic&#8221; on ultrasound&#8212;meaning they contain many small, immature follicles.</p><p><strong>How it affects eggs and fertility:</strong><br>Women with PCOS typically have <strong>a large number of eggs</strong>&#8212;in fact, their AMH levels are usually higher than average. But the challenge lies in how those eggs mature and are released. Many women with PCOS do not ovulate regularly. When ovulation does occur, the egg may not be fully mature, which reduces the chance of successful fertilization.</p><p>Importantly, PCOS does not inherently damage the eggs. When a healthy, mature egg is released, its quality is generally the same as that of women without PCOS at the same age. The main barrier is irregular or absent ovulation.</p><p><strong>What can be done:</strong><br>Treatments often focus on restoring regular ovulation. This may include lifestyle changes such as weight management, medications like letrozole or clomiphene, and sometimes injectable fertility drugs. With the right approach, most women with PCOS can conceive, though it may take longer and require medical support.</p><div><hr></div><h3>Premature Ovarian Insufficiency (POI)</h3><p><strong>What it is:</strong><br>Premature Ovarian Insufficiency (POI), formerly called <em>premature ovarian failure,</em> is a condition where the ovaries lose their normal function before age 40. It affects about 1% of women. Unlike natural menopause, which occurs on average around age 51, POI happens much earlier&#8212;sometimes in the teens, 20s, or 30s.</p><p><strong>How it affects eggs and fertility:</strong><br>Women with POI have <strong>a very low number of eggs remaining</strong>. Periods may become irregular or stop altogether. Estrogen levels often fall, leading to symptoms similar to menopause, such as hot flashes and bone loss. Fertility is usually severely reduced because so few eggs are left.</p><p>Unlike PCOS, the issue here is not too many eggs stuck in immature stages, but rather too few eggs overall. Egg quality may be normal for the woman&#8217;s age, but scarcity makes conception difficult. A small percentage of women with POI may still ovulate occasionally and conceive naturally, but this is rare.</p><p><strong>What can be done:</strong><br>Hormone replacement therapy is important for bone and heart health. For family-building, most women with POI require donor eggs if they wish to carry a pregnancy. Genetic counseling may also be helpful, since some cases are linked to inherited conditions.</p><h3>Lifestyle and &#8220;Egg Health&#8221;</h3><p>While age sets the baseline, lifestyle factors can make a difference. Smoking, obesity, and poorly controlled medical conditions like diabetes harm eggs. Excessive alcohol and environmental toxins may also play a role. On the flip side, maintaining a healthy weight, eating a balanced diet, exercising moderately, and taking a prenatal vitamin with folic acid support fertility overall.</p><p>Some studies suggest that antioxidants, vitamin D, or supplements like CoQ10 may help egg energy production, but evidence is limited. None of these can reverse age-related changes.</p><div><hr></div><h3>Options for Parents</h3><p>Understanding egg quality helps prospective parents make realistic choices:</p><ul><li><p><strong>Younger couples trying to conceive naturally</strong> can be reassured that most eggs are good and patience is often all that&#8217;s needed.</p></li><li><p><strong>Couples in their mid- to late-30s</strong> may want to seek evaluation sooner if pregnancy doesn&#8217;t occur within 6 months.</p></li><li><p><strong>Women in their 40s</strong> may need to consider assisted reproduction, donor eggs, or alternative family-building options. Donor eggs, from younger women, carry dramatically higher success rates because of their better quality.</p></li></ul><div><hr></div><h3>The Emotional Side</h3><p>Talking about &#8220;good eggs&#8221; and &#8220;bad eggs&#8221; can feel harsh. Many patients worry it sounds like a judgment about them. It&#8217;s not. Egg quality is biology, not character. And while the concept may seem discouraging, knowledge empowers couples to plan ahead, explore options early, and avoid wasted time or unnecessary guilt.</p><div><hr></div><div class="subscription-widget-wrap-editor" data-attrs="{&quot;url&quot;:&quot;https://substack.obmd.com/subscribe?&quot;,&quot;text&quot;:&quot;Subscribe&quot;,&quot;language&quot;:&quot;en&quot;}" data-component-name="SubscribeWidgetToDOM"><div class="subscription-widget show-subscribe"><div class="preamble"><p class="cta-caption">Thanks for reading Obstetric Intelligence! Subscribe for free to receive new posts and support my work.</p></div><form class="subscription-widget-subscribe"><input type="email" class="email-input" name="email" placeholder="Type your email&#8230;" tabindex="-1"><input type="submit" class="button primary" value="Subscribe"><div class="fake-input-wrapper"><div class="fake-input"></div><div class="fake-button"></div></div></form></div></div><h3>Closing Reflection</h3><p>When Sarah learned that egg quality&#8212;not just quantity&#8212;was the key factor, she and her partner made informed choices sooner rather than later. She became pregnant after two IVF cycles, and she told me later: <em>&#8220;I wish I had known this earlier.&#8221;</em></p><p>The reality is simple but profound: women cannot make new eggs, and age affects egg quality more than any other factor. Should society do more to educate young people about this reality&#8212;long before they are in my office, worried about their chances?</p>]]></content:encoded></item><item><title><![CDATA[Who Really Needs IVF—and Who Doesn’t]]></title><description><![CDATA[The couple that didn&#8217;t need IVF. Not everyone does.]]></description><link>https://substack.obmd.com/p/who-really-needs-ivfand-who-doesnt</link><guid isPermaLink="false">https://substack.obmd.com/p/who-really-needs-ivfand-who-doesnt</guid><dc:creator><![CDATA[Amos Grünebaum, MD]]></dc:creator><pubDate>Wed, 24 Sep 2025 08:02:36 GMT</pubDate><enclosure url="https://substack-post-media.s3.amazonaws.com/public/images/939cd4fc-20ad-401c-bb9b-39867a3b20ae_750x474.png" length="0" type="image/jpeg"/><content:encoded><![CDATA[<div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="https://substackcdn.com/image/fetch/$s_!j34f!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1233bdda-5cdb-4365-8021-77917550968d_750x474.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="https://substackcdn.com/image/fetch/$s_!j34f!,w_424,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1233bdda-5cdb-4365-8021-77917550968d_750x474.png 424w, https://substackcdn.com/image/fetch/$s_!j34f!,w_848,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1233bdda-5cdb-4365-8021-77917550968d_750x474.png 848w, https://substackcdn.com/image/fetch/$s_!j34f!,w_1272,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1233bdda-5cdb-4365-8021-77917550968d_750x474.png 1272w, https://substackcdn.com/image/fetch/$s_!j34f!,w_1456,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1233bdda-5cdb-4365-8021-77917550968d_750x474.png 1456w" sizes="100vw"><img src="https://substackcdn.com/image/fetch/$s_!j34f!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1233bdda-5cdb-4365-8021-77917550968d_750x474.png" width="750" height="474" 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srcset="https://substackcdn.com/image/fetch/$s_!j34f!,w_424,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1233bdda-5cdb-4365-8021-77917550968d_750x474.png 424w, https://substackcdn.com/image/fetch/$s_!j34f!,w_848,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1233bdda-5cdb-4365-8021-77917550968d_750x474.png 848w, https://substackcdn.com/image/fetch/$s_!j34f!,w_1272,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1233bdda-5cdb-4365-8021-77917550968d_750x474.png 1272w, https://substackcdn.com/image/fetch/$s_!j34f!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1233bdda-5cdb-4365-8021-77917550968d_750x474.png 1456w" sizes="100vw" fetchpriority="high"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg role="img" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><title></title><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p></p><p>A young couple came to see me, both in their early thirties, anxious after a year of trying to conceive. They had already looked up IVF clinics online and were convinced something must be &#8220;wrong.&#8221; A standard work-up had shown that his sperm analysis was normal, her ovulation was regular every 27 days, hormone tests were normal, her fallopian tubes were open and the uterus was fine. Their weights were both within the normal range, and their diet was OK. Nothing suggested a major obstacle.</p><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://substack.obmd.com/subscribe?&quot;,&quot;text&quot;:&quot;Subscribe now&quot;,&quot;action&quot;:null,&quot;class&quot;:null}" data-component-name="ButtonCreateButton"><a class="button primary" href="https://substack.obmd.com/subscribe?"><span>Subscribe now</span></a></p><p>Instead of rushing them toward IVF, I gave a simpler prescription: have regular intercourse, particularly during the fertile window (which they needed to be taught), and pay attention to timing. I also encouraged them to lower stress&#8212;take walks together, <strong>try meditation</strong>, and keep sex about intimacy, not just a task. Three months later they returned&#8212;pregnant, relieved, and grateful. 9 months later I delivered a healthy baby girl, and 16 months after that another one.</p><p>Their story is not unusual. It reminds us that while IVF is a life-changing technology for many, it is not the first step for everyone.</p><div><hr></div><h3>Understanding how fertility works</h3><p>For pregnancy to occur naturally, several systems must work together.</p><ul><li><p>The woman must ovulate, usually releasing one egg each month.</p></li><li><p>Sperm from the man must reach the egg through the cervix and uterus into the fallopian tubes.</p></li><li><p>The egg and sperm must meet and fertilize in the tube.</p></li><li><p>The resulting embryo must travel into the uterus and implant.</p></li></ul><p>This chain is delicate but surprisingly efficient when all parts are working. Age plays a role, but so do lifestyle factors like smoking, stress, and especially weight. Too much or too little body fat can disrupt hormones and ovulation.</p><div><hr></div><h3>The basic fertility evaluation</h3><p>Before considering high-tech treatments, doctors usually begin with simple, evidence-based tests:</p><ul><li><p><strong>Semen analysis</strong>: Are there enough sperm, are they moving well, and do they look normal?</p></li><li><p><strong>Ovulation testing</strong>: Do hormone levels and cycles confirm regular release of eggs?</p></li><li><p><strong>Uterine cavity and fallopian tube check</strong>: Are the tubes open and the uterus healthy?</p></li><li><p><strong>Egg quantity and quality testing</strong>: Blood tests such as AMH (anti-M&#252;llerian hormone) and FSH (follicle-stimulating hormone), sometimes combined with an ultrasound of the ovaries, give a picture of ovarian reserve. Age is the single biggest factor&#8212;after 35, egg quality and number decline more sharply.</p></li><li><p><strong>Weight and metabolic health</strong>: Women who are significantly overweight or underweight may not ovulate regularly. Obesity also increases miscarriage risk and lowers IVF success rates. Doctors often encourage optimizing weight before treatment.</p></li></ul><p>Often these tests come back normal. In such cases, time, patience, and timed intercourse are still the best &#8220;treatment&#8221; for many couples, at least in the short term.</p><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://substack.obmd.com/p/who-really-needs-ivfand-who-doesnt?utm_source=substack&utm_medium=email&utm_content=share&action=share&quot;,&quot;text&quot;:&quot;Share&quot;,&quot;action&quot;:null,&quot;class&quot;:null}" data-component-name="ButtonCreateButton"><a class="button primary" href="https://substack.obmd.com/p/who-really-needs-ivfand-who-doesnt?utm_source=substack&utm_medium=email&utm_content=share&action=share"><span>Share</span></a></p><div><hr></div><p>I am going to tell you a (not so) secret: IVF or in-vitro fertilization is not for everyone. </p><h3>What IVF really is</h3><p>In vitro fertilization (IVF) means &#8220;fertilization outside the body.&#8221; Instead of egg and sperm meeting in the fallopian tube, they are brought together in the laboratory:</p><ol><li><p><strong>Ovarian stimulation</strong> &#8211; The woman takes hormone injections to make several eggs mature at once.</p></li><li><p><strong>Egg retrieval</strong> &#8211; A short procedure under sedation collects the eggs from the ovaries.</p></li><li><p><strong>Fertilization in the lab</strong> &#8211; Eggs are combined with sperm in a dish; sometimes a single sperm is injected directly into the egg (ICSI).</p></li><li><p><strong>Embryo culture</strong> &#8211; Fertilized eggs develop for a few days under careful monitoring.</p></li><li><p><strong>Embryo transfer</strong> &#8211; One or more embryos are placed into the uterus, where they can hopefully implant and grow into a pregnancy.</p></li></ol><p>IVF bypasses major obstacles such as blocked fallopian tubes or severely abnormal sperm. It is powerful, but it is also demanding&#8212;physically, emotionally, and financially.</p><h3>Sex and timing: how often is enough?</h3><p>One of the most common misconceptions is that sex needs to be daily, or even multiple times a day, to conceive. In fact, sperm survive inside the female reproductive tract for up to <strong>five days</strong>, waiting for the egg to be released. That means couples don&#8217;t need to exhaust themselves.</p><ul><li><p>The <strong>fertile window</strong> is about six days: the five days before ovulation and the day of ovulation itself.</p></li><li><p>The best advice is to have sex <strong>every two to three days throughout the cycle</strong>. This ensures sperm are always available without making sex mechanical or stressful.</p></li><li><p>For couples who want to be more precise, timing intercourse to the two days before ovulation and the day of ovulation gives the highest chance of success.</p></li></ul><p>In other words, &#8220;regular&#8221; sex doesn&#8217;t mean an exhausting schedule. It means steady, consistent closeness during the month&#8212;with a little extra attention to the middle of the cycle.</p><div><hr></div><h3>When IVF is the right choice</h3><p>IVF (in vitro fertilization) is a remarkable procedure, but it is not magic&#8212;it is a targeted solution for specific problems. Couples should consider IVF right away when tests show conditions that make natural conception highly unlikely or impossible:</p><ol><li><p><strong>Blocked or absent fallopian tubes</strong> &#8211; If both tubes are closed or damaged, the egg and sperm cannot meet naturally. IVF bypasses the tubes.</p></li><li><p><strong>Severe male factor infertility</strong> &#8211; Very low sperm count or poor movement/shape often cannot be overcome with timing alone. With IVF, sperm can be directly injected into the egg (ICSI).</p></li><li><p><strong>Severe endometriosis</strong> &#8211; When pelvic anatomy is distorted and eggs or sperm cannot meet, IVF may be necessary.</p></li><li><p><strong>Premature ovarian insufficiency or very low ovarian reserve</strong> (ie &#8220;bad eggs&#8221;) &#8211; When egg supply is critically low or the egg quality is &#8220;bad&#8221;, IVF (sometimes with donor eggs) may be the only realistic option.</p></li><li><p><strong>Genetic concerns</strong> &#8211; Couples who carry serious hereditary conditions may use IVF with preimplantation genetic testing to avoid passing them on.</p></li><li><p><strong>Failed less invasive treatments</strong> &#8211; If simpler methods like ovulation induction or intrauterine insemination (IUI) repeatedly fail, IVF may be the next logical step.</p></li></ol><div><hr></div><h3>The hidden risks of IVF</h3><p>IVF can bypass major fertility barriers, but it also carries medical risks. Studies consistently show:</p><ul><li><p><strong>Multiple pregnancies</strong> are more common, especially when multiple embryos are transferred. Twins and triplets increase the risk of preterm birth, low birth weight, and complications for the mother.</p></li><li><p><strong>Pregnancy complications</strong> are higher with IVF. Women who conceive with IVF have increased risks of preeclampsia, gestational diabetes, and cesarean delivery.</p></li><li><p><strong>Stillbirth and perinatal mortality</strong> are modestly higher compared to spontaneous conceptions, even after adjusting for maternal age.</p></li><li><p><strong>Birth defects</strong> are slightly more common in IVF pregnancies, though the absolute risk remains low.</p></li></ul><p>These risks don&#8217;t mean IVF is unsafe&#8212;it means it must be used thoughtfully, with full awareness of potential complications.</p><div><hr></div><p class="button-wrapper" data-attrs="{&quot;url&quot;:&quot;https://substack.obmd.com/p/who-really-needs-ivfand-who-doesnt?utm_source=substack&utm_medium=email&utm_content=share&action=share&quot;,&quot;text&quot;:&quot;Share&quot;,&quot;action&quot;:null,&quot;class&quot;:null}" data-component-name="ButtonCreateButton"><a class="button primary" href="https://substack.obmd.com/p/who-really-needs-ivfand-who-doesnt?utm_source=substack&utm_medium=email&utm_content=share&action=share"><span>Share</span></a></p><h3>The financial reality</h3><p>Another barrier is cost. In the United States, <strong>a single IVF cycle costs between $12,000 and $20,000</strong>, not including medications, genetic testing, or storage fees. Many couples require more than one cycle. Insurance coverage varies, and for many, IVF represents a major financial strain.</p><div><hr></div><h3>Stress, the invisible barrier</h3><p>Stress alone does not cause infertility, but it can make the journey harder. High stress can disrupt ovulation, lower sperm quality, and make intimacy feel like a chore rather than a joy. The anxiety of &#8220;trying&#8221; every month often becomes a vicious cycle&#8212;stress feeds infertility fears, and infertility fears feed stress.</p><p>Evidence suggests that <strong>stress reduction, mindfulness, and meditation</strong> can improve quality of life for couples trying to conceive, and may even improve pregnancy rates. Simple practices&#8212;deep breathing, yoga, guided meditation, or just daily walks&#8212;help shift the focus from performance to connection.</p><p>Fertility is not only about biology; it is also about the mental and emotional space in which conception takes place.</p><div><hr></div><h3>Who does <em>not</em> need IVF right away</h3><p>The opposite is equally important. Many couples undergo IVF prematurely, with little chance of added benefit:</p><ul><li><p>Couples with normal tests, under age 35, who have tried for less than two years.</p></li><li><p>Women with regular ovulation, good ovarian reserve, and open tubes.</p></li><li><p>Men with normal sperm counts and function.</p></li><li><p>Couples whose main challenge is timing, stress, or lifestyle&#8212;not biology.</p></li></ul><p>In these cases, reassurance, counseling, and lifestyle adjustments&#8212;including stress reduction&#8212;are often more effective than immediately turning to IVF.</p><div><hr></div><h3>Practical lessons for couples and clinicians</h3><ol><li><p><strong>Test first, treat later.</strong> A thorough fertility evaluation often points the way forward.</p></li><li><p><strong>IVF is not a shortcut.</strong> It is a powerful solution for defined problems, not a cure-all.</p></li><li><p><strong>Natural conception is still possible.</strong> Many couples with normal tests will conceive with time and proper guidance.</p></li><li><p><strong>Sex and stress both matter.</strong> Regular, well-timed intercourse&#8212;and reducing stress&#8212;remain the most natural &#8220;treatments&#8221; when everything else checks out.</p></li><li><p><strong>Individualize care.</strong> Every couple&#8217;s path is different. The art of medicine is knowing when technology is needed and when patience is wiser.</p></li></ol><div><hr></div><p>IVF is one of the great triumphs of modern medicine. It has created millions of families who otherwise could not exist. But it should be used thoughtfully, not reflexively.</p><p>The ethical question we must ask is simple: <em>Are we using IVF because it is the right treatment for a proven barrier&#8212;or because we are impatient, anxious, or pressured by the marketplace of fertility medicine?</em></p><p>Sometimes the most advanced medical advice is also the most ancient: wait, trust the body, and let nature take its course&#8212;until evidence tells us otherwise.</p><div class="subscription-widget-wrap-editor" data-attrs="{&quot;url&quot;:&quot;https://substack.obmd.com/subscribe?&quot;,&quot;text&quot;:&quot;Subscribe&quot;,&quot;language&quot;:&quot;en&quot;}" data-component-name="SubscribeWidgetToDOM"><div class="subscription-widget show-subscribe"><div class="preamble"><p class="cta-caption">Thanks for reading Obstetric Intelligence! 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