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The Peter Attia Drive · June 22, 2026 · 1h 58m
Endometriosis and adenomyosis: diagnosis, fertility, reproductive aging, and emerging treatments
Renato Tomioka, a leading reproductive medicine and gynecologic surgery expert, explores two frequently overlooked conditions affecting millions of women: endometriosis and adenomyosis. The episode covers how these conditions are diagnosed (including advances beyond traditional laparoscopy), why they often go undiagnosed for years, the decision-making process between hormonal therapy and surgery, how fertility preservation changes treatment strategy, and the profound effects of female age on egg quality and reproductive outcomes.
This summary was generated from show notes and public descriptions, not from a full transcript review. Details may contain inaccuracies.
Curious
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Progesterone Resistance in Endometriosis: When Standard Hormonal Therapy Fails0:09:03
Endometriosis tissue exhibits progesterone resistance—an impaired ability to respond to progesterone signaling—which explains why standard progesterone-based hormonal therapies fail in a significant subset of women despite adequate progesterone exposure.Novel
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Advanced Imaging (MRI and Ultrasound) Now Replaces Diagnostic Laparoscopy0:09:03
Specialized MRI and transvaginal ultrasound performed by trained specialists can now diagnose endometriosis and adenomyosis without surgical laparoscopy, shifting diagnosis from invasive to non-invasive.Highlights
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Adenomyosis: The 'Evil Twin' Requires Different Treatment Than Endometriosis0:13:25
Adenomyosis (endometrial tissue invading the myometrium) is distinct from endometriosis, differs in underlying biology, and requires fundamentally different treatment strategies despite superficial similarities.•
Female Age Drives Non-Linear Acceleration of Egg Chromosomal Abnormalities After 350:18:52
Chromosomal abnormalities in eggs increase sharply and non-linearly after age 35, accelerating dramatically after 40—this is not a gradual decline but a steep cliff with major implications for fertility and pregnancy outcomes.Editorial
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Fertility Preservation Changes Surgery vs. Hormonal Therapy Decision-Making0:22:09
When fertility is a priority, the tradeoff between aggressive surgical excision (which may damage ovarian reserve) and medical management (which may be less effective) becomes central to treatment strategy in ways that differ from women past reproductive years.Misc
✧Endometriosis affects an estimated 10% of reproductive-age women but takes an average of 7-10 years to diagnose
✧Adenomyosis is often called 'the evil twin' of endometriosis but requires different treatment approaches
✧Advanced imaging (MRI and specialized ultrasound) can now detect these conditions without invasive laparoscopy
✧Female age dramatically accelerates chromosomal abnormalities in eggs after age 35—this is non-linear, not gradual
✧Progesterone resistance in endometriosis tissue means standard hormonal therapies may fail even when tissue levels appear adequate
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