Habits and Hustle Episode 514: The Best of Habits & Hustle - Dr Mary Claire Haver (The #1 Menopause Doctor)
15 snips
Dec 26, 2025 
Dr. Mary Claire Haver, a board-certified OB-GYN and menopause expert, shares valuable insights into perimenopause and menopause. She explains why estrogen is crucial beyond just hot flashes and highlights the significance of strength training as women age. Dr. Haver debunks myths surrounding hormone therapy, emphasizing personalized approaches and the importance of understanding testosterone's role. Additionally, she discusses the benefits of GLP-1 medications and lifestyle choices in maintaining health and muscle mass during midlife.
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Menopause Versus Perimenopause
- Menopause is one day defined as 12 months after your final menstrual period and marks the end of ovarian hormone production.
- Perimenopause is a multi-year hormonal chaos where ovaries respond erratically, causing big swings in estradiol and low progesterone.
Egg Supply Drops Fast With Age
- Females are born with a finite egg supply that declines rapidly with age; by 30 roughly 10% remains and by 40 about 3%.
- This explains age-related fertility decline and higher chromosomal abnormality risk with maternal age.
Don't Believe Promises To Delay Menopause
- There is currently no proven way to delay natural ovarian aging, so avoid claims that any pill or supplement extends ovarian lifespan.
- Protect ovarian health by avoiding known harms like smoking, certain surgeries, and chemotherapy when possible.
