How Hormonal Contraceptives Work

Dr. Crawford outlines mechanisms of combined pills, progestin-only methods, and effects on ovulation and the uterine lining.

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On today’s episode, WHOOP SVP of Research, Algorithms, and Data, Emily Capodilupo, sits down with Dr. Natalie Crawford, OB-GYN and leading voice in fertility education, to unpack the science behind fertility, the menstrual cycle, contraception, and long-term health.

Together, Emily and Dr. Crawford explore why fertility is more than just about having kids—it’s a vital sign for overall wellbeing. Dr. Crawford breaks down how hormonal birth control works, the misconceptions it often carries, and why advocating for yourself in the doctor’s office is so important. Emily and Dr. Crawford dive into endometriosis, PCOS, and other common, but often overlooked, hormonal conditions that impact fertility.

Whether you’re actively thinking about family planning or simply want to better understand your body, this episode is full of empowering insights to help you take control of your hormonal health.

(00:45) WHOOP Podcast Rapid Fire Q’s

(01:46) When Does Fertility Matter?

(03:56) Birth Control, Understanding Your Cycle, and Impact on Fertility

(06:23) How Does Hormonal Birth Control Actually Work?

(12:58) Advocating For Your Health: How To Talk To Your Doctor

(19:26) Birth Control and Hormonal Health

(24:19) Preventative Fertility Care: How Women Can Better Understand Their Body

(39:41) Cycle Tracking: Hormonal Health Indicators To Look For

(45:42) Endometriosis and Infertility Signs and Symptoms

(59:11) Irregular Cycles and PCOS: The Rotterdam Criteria

(01:05:02) Symptoms of PCOS and What To Look For

(01:09:54) Lifestyle Changes To Aid Hormonal Health