PCOS is Insulin Resistance — Not a Hormone Disorder

She was 40, hadn't had a period in two years, and was terrified she would never be able to get pregnant. Her doctors gave her a PCOS diagnosis and offered birth control — which she couldn't tolerate. What nobody checked was her TPO antibodies (236 — classic Hashimoto's), her fasting insulin (11 — early insulin resistance driving androgen excess), her gut microbiome (depleted, likely driving both conditions), or her homocysteine (elevated — impairing egg quality and embryo implantation).  In this episode, we break down Mary’s case: the three root causes of her infertility risk, the science behind each one, and the exact steps every woman with PCOS or cycle irregularities should take — starting this week.In this episode: Why PCOS is a metabolic disorder — not a hormone disorder — and what that means for treatment How elevated insulin drives testosterone, suppresses ovulation, and causes amenorrhea Why TPO antibodies must be tested in every woman with PCOS or fertility challenges The fertility-specific TSH target (below 2.5) and why standard 'normal' ranges are insufficient The gut-autoimmunity-hormone connection: why the gut is the upstream driver Methylation, homocysteine, and why standard folic acid may not be enough The evidence for myo-inositol, selenium, gluten elimination, and GI-MAP testing 7 actionable steps — including the exact words to say to your doctor Key Statistics ReferencedTPO antibodies: Hashimoto's diagnosis (optimal below 35) TSH: Fertility target: below 2.5 Fasting insulin: Optimal below 6 Vitamin D: Fertility optimal: 60-80 Homocysteine: >7— elevated methylation marker (optimal below 7) Progesterone: Ovulatory level: above 10 Free testosterone: 0.5 – 6.4 pg/ml (varies by lab) >7 consistent with androgen-driven PCOS Up to 80% of women with PCOS: have insulin resistance — even thin women Normalizing insulin sensitivity restores ovulation in up to 80% of PCOS cases without hormonal intervention Hashimoto's affects: approximately 1 in 8 women over their lifetime Elevated TPO antibodies: associated with 3-4x higher miscarriage risk even when TSH is normal PCOS + Hashimoto's coexist in approximately 25-30% of PCOS patients Gut microbiome disruption found in up to 90% of women with PCOS in microbiome studies Vitamin D below 30: associated with up to 40% lower IVF live birth rates Selenium 200 mcg/day: shown to reduce TPO antibodies significantly in meta-analyses (Check levels BEFORE supplementing) Gluten elimination: shown to reduce TPO antibodies by 30-50% over 6 months in Hashimoto's patients  Listen now to better understand what your body may be trying to tell you. *********************Midlife Clarity with Dr. Tracy Page is a podcast for women over 40 navigating hormones, metabolism, strength, and healthy aging during midlife, perimenopause, and menopause.Connect with Dr. Page:Dr. Tracy Instagram: https://www.instagram.com/tracypagemd/Dr. Tracy Facebook: https://www.facebook.com/drtracypage/Connect with The Wisconsin Institute of Functional Medicine (WIFM):Website: Wisconsin Institute of Functional Medicine (WIFM)           https://wisconsinfunctionalmed.com/WIFM Instagram: https://www.instagram.com/wisconsinfunctionalmed/YouTube - Wisconsin Institute of Functional Medicine: https://www.youtube.com/channel/UC_oZu2b83V06C0szpKmUU9gDISCLAIMER: The information shared on this podcast is for educational purposes only and is not intended as medical advice. It does not replace a consultation with your own physician or qualified health care provider. Always seek professional medical guidance regarding your personal health concerns.© 2026 Dr. Tracy Page