How Women Can Improve Their Fertility & Hormone Health | Dr. Natalie Crawford
Huberman discusses how fertility serves as a critical biomarker of overall health and longevity — not just reproductive capacity — with Dr. Natalie Crawford, a reproductive endocrinologist. The episode breaks down the science of egg quality, ovarian reserve, and actionable lifestyle interventions that apply regardless of whether someone plans to have children, while dismantling common myths around aging, hormone therapy, and egg freezing that prevent women from making informed reproductive decisions.
Key takeaways
- • Every woman who might want children should get an AMH (anti-mullerian hormone) test for ~$79 to understand her ovarian reserve (egg count), regardless of age or current fertility plans—knowledge enables autonomous decision-making about family timeline and egg freezing.
- • Infertility is a leading indicator of chronic inflammation and metabolic dysfunction (insulin resistance, autoimmune disease, endometriosis); women with infertility have elevated rates of metabolic syndrome, cancer, heart attack, and stroke, making fertility a window into long-term health risk.
- • Egg freezing does not deplete ovarian reserve—it salvages eggs that would die anyway; the procedure only affects one month's cohort and is most cost-effective when done younger (more eggs per cycle), making early freezing a financial and biological advantage.
- • Track ovulation timing and luteal phase length (ideally 11+ days), not just period regularity—shortened luteal phases are early warning signs of ovulation disorders and hormonal dysfunction that standard period tracking misses.
- • Age-related decline in fertility is driven by both egg number loss and metabolic health decline; a 30-year-old has a 20% monthly conception chance vs. 3% at 40+, but metabolic interventions (reducing inflammation, improving insulin sensitivity) can slow egg quality deterioration.
- • Women deserve hormone augmentation therapy (not just replacement) starting in perimenopause—waiting for strict menopause definitions (12 months without a period) delays symptom relief and misses cardioprotective and cognitive benefits of estrogen; physicians should support optimization within normal hormone ranges rather than gate-keep access.
- • Chronic inflammation from microplastics, endocrine disruptors, smoking, and processed foods accumulates in ovaries and damages egg mitochondria; practical toxin reduction (glass water bottles, whole foods) compounds over time to lower inflammatory burden and preserve ovarian lifespan.
Recommendations (10)
"Everybody should get an AMH test. I think it's a very important marker. If you are listening to this and you want kids one day, ask your doctor for this test."
Natalie Crawford
"People should definitely get your book. Again, I've read it. I've read it cover to cover. The Fertility Formula, take control of your reproductive future."
Andrew Huberman · ▶ 2:32:23
"For sperm health, L-carnitine we like a lot. And then zinc and selenium can have benefits as well."
Natalie Crawford · ▶ 1:41:51
"As a result, I decided to start supplementing with nattokinase, which can naturally help reduce LDL cholesterol, and it did. In a follow-up test, I could confirm that this strategy worked, my blood..."
Andrew Huberman · ▶ 1:42:44
"N-acetylcysteine for endometriosis or chronic inflammatory disease"
Natalie Crawford · ▶ 1:46:14
"The most intriguing part of the conversation for me right now is GLP-1s and their use for potential chronic inflammatory disease like endometriosis. I will have patients go on a GLP-1 low dose for ..."
Natalie Crawford · ▶ 2:04:03
"I've used human growth hormone for years and years and years, right? There's not an FDA approval to use HGH for egg quality. Yet, we see that it can improve egg quality in the right patient in the ..."
Natalie Crawford · ▶ 2:08:32
Mentioned (7)
More from these creators
Essentials: The Biology of Aggression, Mating & Arousal | Dr. David Anderson
Cultivating Awe & Emotional Connection in Daily Life | Dr. Dacher Keltner
Essentials: How to Build Strength, Muscle Size & Endurance | Dr. Andy Galpin
How Hormones Shape Sexual Orientation & Behavior | Dr. Marc Breedlove
Using Salt to Optimize Mental & Physical Performance | Huberman Lab Essentials
The Best Vitality & Health Protocols | Dr. Rhonda Patrick