Download our FREE “Hormone Cheat Sheet” guide
Not sure what your hormones actually do?
Estrogen, progesterone, and testosterone play a role in everything from your brain and mood to your skin, bones, metabolism, and more.
Understanding them is the first step to feeling like yourself again.
We created a Hormone Cheat Sheet to break it all down in one simple guide, with a clear look at how each hormone impacts your entire body.
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Hormone therapy research
Our go-to educational resources on hormone replacement therapy, perimenopause, menopause, and hormone imbalance—handpicked by our providers.
💡 From the safety and effectiveness of HRT to the latest findings in women’s health, these resources offer science-backed insights you can trust.
Explore our favorite research 👇
Are Bioidentical Hormones Safer or More Effective Than Synthetic Hormones? – Study by Kent Holtorf, MD
Key Takeaway
Bioidentical hormones—like estradiol, estriol, and progesterone—may be safer and more effective than synthetic hormones traditionally used in hormone replacement therapy (HRT).
Dr. Mary Claire Haver explains how egg supply & ovulation relate to perimenopause & menopause
Key Takeaway
Once perimenopause begins, hormone levels—especially estrogen and progesterone—start to fluctuate unpredictably.
Testosterone Therapy in Women: Myths and Misconceptions
Key Takeaway
Testosterone is vital to women’s health and, when dosed appropriately, is safe, non-masculinizing, and protective across several body systems including the heart, brain, and breasts.
“Not feeling like myself ” in Perimenopause — What Does it Mean? Observations from the Women Living Better Survey
Key Takeaway
“Not feeling like myself” during perimenopause is most strongly linked to symptoms like anxiety, fatigue, brain fog, mood swings, and sexual changes—highlighting the need for better support during this phase of life.
Dr. Mary Claire Haver x Mel Robins Podcast Episode
Key Takeaway
The #1 Menopause Doctor breaks down how to lose belly fat, sleep better, & stop suffering.
Estrogen Deficiency and Hormone Therapy: What We Now Know
Key Takeaway
Estrogen deficiency during and after menopause impacts nearly every system in the body—causing symptoms that range from hot flashes to long-term heart, brain, and bone changes.
‘Tis but a scratch: a critical review of the Women’s Health Initiative evidence associating menopausal hormone therapy with the risk of breast cancer
Key Takeaway
The WHI data was misinterpreted, misreported, and overstated, resulting in unnecessary fear and avoidance of beneficial hormone therapy.
women's hormone health
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