The Menstrual Cycle DECODED: Fertility, PCOS, and the New Science of Hormones

Pre-Order The Forever Strong PLAYBOOK and receive exclusive bonuses: https://drgabriellelyon.com/playbook/Want ad-free episodes, exclusives and access to community Q&As? Subscribe to Forever Strong Insider: https://foreverstrong.supercast.comIn this groundbreaking episode, Dr. Gabrielle Lyon sits down with Dr. Heidi, a leading reproductive physiologist who has pioneered research on the ovarian cycle and the transition to menopause. Dr. Heidi breaks down complex reproductive science into actionable insights for every woman and parent.You'll get an inside look at the never-before-seen dynamics of the ovarian cycle and learn how factors like obesity, nutrition, and even your gut microbiome directly impact fertility and reproductive aging. This is a must-watch to stop stressing about diet myths and start understanding the profound biology that governs your hormones.Chapter Markers0:00 - Can You Get Pregnant While on Your Period? 1:21 - Intro to Dr. Heidi & Ovarian Cycle Research 3:39 - The Uterine Cycle vs. The Ovarian Cycle 6:19 - Follicle Waves: The Hidden Drama in Your Ovaries 10:38 - Novel Discovery: Follicle Waves in the Luteal Phase 12:00 - Why One Follicle is Selected for Ovulation 13:17 - Does Nutrition Affect Ovarian Function? 14:48 - The Variation in Menstrual Cycles (It's Not Always 28 Days) 17:23 - The Impact of Obesity on the Ovarian Cycle 18:11 - The Problem of Luteal Phase Defects & Fertility 24:52 - Ovarian Morphology as a Bio-Marker of Health 26:54 - How Undernutrition Affects Ovarian Health 31:56 - The Metabolic Tipping Point of PCOS (Polycystic Ovary Syndrome) 33:26 - The Myth of the "String of Pearls" Ovary 35:25 - The Menopause Transition & Rogue Follicles 39:04 - Can We Predict Menopause by Scanning Ovaries? 45:59 - Early Menarche (First Period) and Long-Term Disease Risk 48:33 - The Surprising Link Between Puberty Timing and Environment 52:28 - The Role of Leptin in Reproductive Health 55:50 - Debunking the Myth: Can Nutrition Cure PCOS? 59:07 - PCOS Diet Myths (Fruit, Timing, and Supplements) 1:04:40 - Fish Oil for Menstrual Cramps (Dysmenorrhea) 1:08:37 - Breakthrough: Bile Acid, The Gut Microbiome, and Ovulation 1:11:50 - Closing RemarksWho is Heidi Vanden Brink:Dr. Vanden Brink holds over a decade of clinical research experience in nutrition, metabolic health, and female human reproductive physiology and endocrinology.EducationUndergraduate Education2009 B.Sc., Physiology, University of Saskatchewan, Saskatchewan, CanadaGraduate Education2019-2022 Visiting Researcher, Department of Endocrinology, Children’s Mercy Hospitals, Kansas City, MO2019-2022 Postdoctoral Associate, Cornell University, Ithaca, New York2019 Ph.D., Nutritional Sciences, Cornell University, Ithaca, New York2012 M.Sc., Health Sciences (Reproductive Physiology), University of Saskatchewan, Saskatchewan, CanadaProfessional SummaryProfessional Certifications2012-present American Registry for Diagnostic Medical Sonography (ARDMS) Board Certification in Obstetrical and Gynecological Ultrasound.About the InvestigatorDr. Vanden Brink holds over a decade of clinical research experience in nutrition,...

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