The Peter Attia Drive

Podbit · The Peter Attia Drive

#397 ‒ Endometriosis and adenomyosis: diagnosis, fertility, reproductive aging, and emerging treatments | Renato Tomioka, M.D., Ph.D.

Explore episode Jun 22, 2026
Health & Fitness
Endometrioma Surgery and AMH: The Double-Edged Sword

#397 ‒ Endometriosis and adenomyosis: diagnosis, fertility,… · Jun 22, 2026 Health & Fitness

Endometrioma cysts are pseudo-cysts tightly adhered to ovarian cortex where primordial follicles live. Strip them out and you can reduce AMH by 40 to 50%. Leave them in and the Fenton reaction destroys follicles through hydroxyl radical toxicity. The right move: harvest eggs first, then decide on surgery.

Where this was said

Clinical case example #3: Managing adenomyosis after failed IVF transfers to improve implantation and pregnancy outcomes

At 1:18:15 · chapter starts 1:10:09

The third case is a 32-year-old with frozen embryos and two failed transfers who arrives without a prior diagnosis of adenomyosis. Tomioka frames this as 'very common.' The mechanism of failure is not implantation per se but pregnancy maintenance: adenomyosis disrupts the junctional zone, triggering uterine contractions that expel the embryo between weeks 6 and 8. The fix is not surgical (adenomyomas aside, adenomyosis cannot be excised without a hysterectomy) but hormonal: 2 to 4 months of GnRH agonist treatment (Lupron, goserelin) creating chemical menopause, followed by a frozen embryo transfer using minimal estrogen and high progesterone. Published data show this approach meaningfully improves implantation and live birth rates while reducing miscarriage. The distinction between GnRH agonists (which cause an initial flare before downregulating the receptor) and the newer, more expensive oral antagonists (elagolix, relugolix — about $1,000/month) is explained; both work, but agonists have more data and are far cheaper in Brazil. Tomioka also discusses the broader pregnancy risks for women with adenomyosis: preterm birth, preeclampsia, small for gestational age, and elevated C-section rates — and that adenomyosis with junctional zone involvement carries a threefold higher miscarriage risk.

Health & Fitness
Adenomyosis and IVF: How to Turn 2 Failed Transfers Into a Live Birth

#397 ‒ Endometriosis and adenomyosis: diagnosis, fertility,… · Jun 22, 2026 Health & Fitness

Women with adenomyosis who fail repeated IVF transfers are often missing one key step: 2 to 4 months of GnRH agonist therapy before the embryo transfer. This chemically suppresses estrogen, quiets adenomyosis-driven uterine contractions, and meaningfully improves live birth rates.

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