The New Perimenopause: A Masterclass with Dr. Mary Claire Haver

The frozen shoulder. The 3 a.m. anxiety. The brain fog and the rage that come out of nowhere. For decades, women were told it was "just stress" and sent home with an antidepressant. This week, Dr. A and Mary Alice welcome back the woman changing that — Dr. Mary Claire Haver, the OB-GYN The New York Times calls the "Menopause Queen" — for a full masterclass on perimenopause.

It can start in your late 30s, it lasts 7 to 10 years, and almost no one warned us. Dr. Haver explains what's really happening in your body and brain, why so many women are dismissed, and what you can actually do about it — HRT, progesterone, vaginal estrogen, sleep, mood, and the myth that you have to wait until it's "bad enough" to get help. Because suffering isn't the price of admission.

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What You’ll Learn

• What perimenopause actually is and how it differs from menopause
• Why perimenopause can begin in your late 30s or 40s
• Why brain fog, sleep disruption, anxiety and mood changes can be early symptoms
• When hormone therapy may be considered during perimenopause
• The difference between HRT/MHT, birth control and vaginal estrogen
• What we know, and still don't know, about HRT and cardiovascular and bone health
• How GLP-1 medications can affect muscle and bone health
• The role of protein, resistance training, vitamin D, omega-3s, fiber and creatine
• What declining estrogen can mean for vaginal and urinary health
• What women should know about HRT and breast cancer risk
• Why listening to your symptoms and advocating for yourself matters

Key Timestamps

00:00 Why Every Vagina Needs Estrogen

01:32 Welcome Back Dr. Mary Claire Haver

05:44 What Perimenopause Actually Is

08:44 The "Zone Of Chaos" And Brain Glitching

18:08 How To Evaluate A Perimenopausal Patient

20:01 All Vaginas Need Estrogen

24:50 Why Perimenopause Is The Best Time To Start HRT

32:13 GLP-1s, Muscle Loss, And Bone Health

36:41 Patches, Pellets, Creams: What Actually Works

40:23 Debunking The HRT-Breast Cancer Myth

50:33 Creatine, Vitamin D, And Key Supplements

54:56 The Histamine-Hormone Connection

58:12 Vulvar Changes Nobody Warns You About

1:04:37 Lightning Round: Hormone Myths Busted

1:07:19 Three Takeaways For Every Woman

Key Takeaways

• Perimenopause is a years-long biological transition, not simply the period immediately before menopause.
• Symptoms can appear before periods become irregular or hot flashes begin.
• Brain fog, sleep disruption and mental health changes can be among the earliest signs of fluctuating hormones.
• Hormone therapy does not necessarily have to wait until a woman is fully menopausal; treatment should be individualized based on symptoms, risks and benefits.
• Bone health, cardiovascular health, muscle mass and metabolic health all deserve attention during the menopause transition.
• If using GLP-1 medications, Dr. Haver emphasizes adequate protein, resistance training and monitoring body composition rather than focusing solely on the number on the scale.
• Vaginal and urinary symptoms can be related to declining estrogen and may be treated with local estrogen therapy.
• The goal of understanding perimenopause is not simply to get through it, but to enter the next stage of life informed, healthy and empowered.

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