Huberman Lab

Dr. Natalie Crawford: Female Hormone Health, Fertility & Vitality

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Nov 13, 2023
Guest
Natalie Crawford
Dr. Natalie Crawford, a double board-certified physician specializing in fertility and reproductive health, shares invaluable insights into female hormone health and fertility. She discusses the impact of puberty on long-term hormonal cycles and menopause. The conversation covers various birth control methods and how they affect fertility. Crawford also highlights nutrition's critical role in reproductive health and offers guidance on fertility testing, IVF, and egg freezing, empowering women to make informed choices about their reproductive futures.
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INSIGHT

Egg Count and Puberty

  • Females have the most eggs at 20 weeks gestation, losing many before birth and throughout life.
  • Puberty timing doesn't affect reproductive lifespan, but early puberty may reduce adult height.
INSIGHT

Egg Loss and IVF

  • Egg loss is constant from fetal development, not solely due to ovulation.
  • Harvesting eggs for IVF doesn't reduce the natural egg count more than natural cycles.
ADVICE

Endocrine Disruptors and Early Development

  • Endocrine disruptors like lavender and tea tree oil can cause early breast bud development, not true puberty.
  • Minimize children's exposure to toxins and scents, especially during critical developmental periods.
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