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Huberman Lab #276 · April 13, 2026 · 2h 30m
How Women Can Improve Their Fertility & Hormone Health
OB-GYN and fertility specialist Natalie Crawford on the science of female fertility — what actually matters, what doesn't, and what's being destroyed by environmental toxins. Key insight: fertility is a vital sign, not just a reproductive metric. Your hormonal health reflects your overall health.
This summary was generated from show notes and public descriptions, not from a full transcript review. Details may contain inaccuracies.
Canon
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Crawford confirms Shanna Swan's research: phthalates, BPA, PFAS, and other endocrine-disrupting chemicals in plastics, cosmetics, and food packaging are measurably reducing fertility — sperm counts have declined 50%+ since the 1970s.
Highlights
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Fertility is a vital sign — not just a reproductive metric
Crawford: hormone health and fertility markers are indicators of overall systemic health. Women with irregular cycles, low AMH, or premature ovarian decline often have underlying metabolic or autoimmune issues that affect everything, not just reproduction.•
AMH testing gives women agency over their reproductive timeline
Crawford: Anti-Müllerian Hormone (AMH) testing can estimate a woman's remaining egg reserve, allowing informed decisions about egg freezing, career timing, and family planning — but it doesn't predict fertility potential alone.References
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The Fertility Formula — Natalie Crawford — Crawford's comprehensive guide to fertility optimization
Misc
✧Crawford recommends CoQ10 (600mg), Vitamin D (2000-4000 IU), and omega-3s as tier-1 fertility supplements
✧Hormonal contraceptives do NOT permanently affect future fertility — Crawford debunks this common myth
✧She references Shanna Swan's Count Down — the book that brought endocrine disruptor research to mainstream attention
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