In this episode, Lauren welcomes Dr. Peter Greenhouse, a pioneering sexual health physician and menopause specialist who brings decades of clinical experience, a background in comedy, and an unflinching approach to the conversations no one else is having about perimenopause.

Dr. Greenhouse's unique journey, from performing comedy at Cambridge with future greats like Andy Hamilton and Guy Jenkin, to revolutionizing integrated sexual health services, to becoming a sought-after menopause lecturer, gives him a perspective unlike any other doctor.

Previously married to a world expert in menopause and having spent years listening to women's stories, he's learned that the most important symptoms of perimenopause are often the most overlooked.

This conversation challenges conventional thinking about when perimenopause starts, what the first symptoms really are, and why cognitive decline - not hot flushes - is often the earliest and most career-damaging sign. Dr. Greenhouse also tackles the uncomfortable truths about midlife divorce rates, sexual health in older adults, the devastating impact of misdiagnosis, and why estrogen affects literally every system in your body, from your vocal cords to your ACL rupture risk.

With humor, humanity, and hard science, this episode will change how you think about the menopausal transition.

Key Points Covered:

• Cognition Comes First: The first symptom of perimenopause isn't hot flushes, it's cognitive decline. Brain fog, forgetfulness, and reduced mental sharpness often appear years before temperature regulation issues, directly impacting work performance and leading many women to believe they're "just depressed."

• Perimenopause Starts Earlier Than You Think: While textbooks say perimenopause begins 5 years before menopause (mid-40s), Dr. Greenhouse regularly sees women in their late 30s with clear perimenopausal symptoms, especially if their mothers had early menopause. Some women experience a 15-year menopausal transition.

• The Misdiagnosis Cascade: Women go to their GP with joint pain, get MRIs showing nothing wrong. Then palpitations lead to ECGs. Then migraines lead to scans. Years pass with multiple specialists investigating separate symptoms while no one connects the dots to perimenopause - causing reactive depression from feeling like everything is falling apart.

• Estrogen's Jaw-Dropping Effects Throughout the Body:

1. Athletes: Women are 8x more likely to rupture their ACL than men, with most ruptures occurring on the day of menstruation or during mid-cycle estrogen drops
2. Asthma: 25% of all hospital admissions for near-fatal and fatal asthma occur on the day of menstruation due to reduced flexibility of rib and brinchial cartilage caused by a drop in oestrogen
3. Opera singers: Have it written into contracts that they don't need to perform the week before their period because they can lose up to half an octave off the top of their range
4. Warm-up time: Female athletes need to warm up 3x longer before exercise when menstruating due to reduced joint flexibility

• The Mid-40s Perfect Storm: Age 44 marks the peak age for divorce, highest rates of certain STIs in women, and highest female suicide rates—all correlating with the cognitive dip of early perimenopause when women are most likely to be misdiagnosed and given antidepressants instead of HRT.

• Blood Tests Are Useless for Perimenopause: Unlike premature menopause (which shows up in blood work), perimenopause blood tests are completely normal. The only blood test needed is thyroid function, as hypothyroidism can mimic perimenopause symptoms.

• Antidepressants Are the Wrong Answer: When women present with cognitive decline and resulting reactive depression, antidepressants flatten mood, joy, and creativity without addressing any of the underlying hormonal issues. They might marginally help with premenstrual suicidal ideation but won't fix cognition, joints, energy, or any other perimenopausal symptoms.

• The Dating App Effect on Sexual Health: Uber-like convenience in dating apps (geolocating potential partners, removing initial embarrassment through text) has led to faster partner change and rising STI rates, particularly in the 40s-50s age group coinciding with higher divorce rates during perimenopause.

• HRT Dosage Myths Debunked: The post-2002 "lowest dose for shortest time, stop at 60" advice is completely wrong. Dr. Greenhouse's mantra: "As much as you need for as long as you live." Even minuscule doses (14mcg patches) used in American studies significantly improved bone density, even without needing progesterone ptoitection.

• The 10-Year Difference: At age 70, you can immediately spot the women who've been on HRT, they look 60, walk taller, think faster, live more independently, and have rock-solid bones.

• The Food Supplement Industry Trap: Most nutritional supplements are scientifically unproven money-wasters. For the average person with a normal Western diet, only one supplement is needed: Vitamin D. Unless you're a strict vegan, everything else is unnecessary.

• Not Everyone Needs HRT: 10-15% of women sail through perimenopause with minimal symptoms. Some women thrive without HRT through nutrition, exercise, mindfulness, and lifestyle modifications. The key is finding what works for your individual body and symptoms.

• The GP Is Your Best Asset (If trained): A properly menopause-trained GP who can spend adequate time is ideal for managing perimenopause; but most GPs haven't received this training. Dr. Greenhouse notes he's seeing fewer private patients recently, suggesting more GPs are getting proper training (the first good news in a long time).

Timestamps:

[00:01:00] Peter Brueghel, cod pieces, and ADHD hyperfocus

[00:03:00] The YouTube lectures no one else is making

[00:06:00] When blood tests miss perimenopause

[00:08:00] Cognition decline: The first and most damaging symptom

[00:12:00] If you're in your 40s and feel "off," think perimenopause first

[00:13:00] Perimenopause can start at 35

[00:14:00] The physiotherapist who changed everything: Women athletes and ACL ruptures

[00:16:00] Asthma, opera singers, and the estrogen effect

[00:18:00] Why female athletes need different training protocols

[00:20:00] Learning from women's stories, not textbooks

[00:22:00] From sexual health pioneer to menopause specialist

[00:24:00] The Uber effect: Dating apps and rising STI rates

[00:26:00] The mid-40s cognitive dip: Divorce, STIs, and suicide

[00:30:00] Why properly trained GPs are the gold standard

[00:32:00] The 70-year-old test: Spotting HRT users at reunions

[00:34:00] Making sense of conflicting information

[00:36:00] Different women, different needs

[00:40:00] Comedy training meets medical consultations

[00:43:00] What's next: More conferences, more art galleries

Resources:

Dr Peter Greenhouse: https://www.linkedin.com/in/petergreenhouse/

Dr. Greenhouse's Best Insights:

• "If any woman in her 40s starts to feel a bit off in any sort of way, the first thing you need to think about is perimenopause." • "It is normal to be depressed when faced with the early signs of perimenopause, particularly if nobody's diagnosed it. It's not psychiatric depression—it's reactive depression." • "The GP says 'well, you're not having night sweats, so it's not perimenopause.' That's completely wrong because temperature control is just about the last thing to kick in." • "If you think about it, to get depressed when you don't have a reason for it is quite normal—so the GP says 'maybe you're depressed and need antidepressants.' Which is the worst possible thing that could happen." • "Any amount of estrogen you can take, even the tiniest amount, would be enough over several years to prevent osteoporosis." • "As much as you need for as long as you live." • "At 70, you can always tell who's on HRT because she looks 60."

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Meet your Host:

Lauren is the founder of Women of a Certain Stage and creator of the Become a Menopause Coach diploma program. With a focus on evidence-based education and lived experience, Lauren supports women through the menopausal transition while training coaches worldwide to do the same through live, interactive learning with expert faculty.

Lauren also works with female athletes (rugby, football, cricket players) using diagnostic tools like body temperature tracking and heart rate variability to map menstrual cycles and optimize training protocols.

Ready to become a menopause coach or deepen your understanding?

Learn about the Become a Menopause Coach diploma → https://womenofacertainstage.lpages.co/menopause_coach/

Free guide: "Top 5 evidence-based menopause resources" → womenofacertainstage.com/menopause-resources

Book a free discovery call: https://bookme.name/womenofacertainstage/lite/tmsh

Disclaimer: Information shared is for educational and entertainment purposes only and doesn't replace medical advice. Always consult with healthcare professionals for your specific situation.