This article was reviewed by Lynn Marie Morski, MD, JD. Key Takeaways: Progesterone is a natural reproductive hormone that declines during perimenopause and menopause. Progestin is … ...

Daphne Berryhill is an oncology pharmacist and freelance writer. She loves the collaborative process of creating health content. Her goal as a writer is to offer information that’s meaningful, ...

This article was reviewed by Julia Switzer, MD, FACOG. If you’re entering perimenopause or menopause, you’ve probably heard about hormone replacement therapy (HRT) — and you might be wondering about ...

Estrogen and progesterone are complementary reproductive hormones. Estrogen shapes everything from puberty to menstrual cycles to bone health, and progesterone is key to the second half of the ...

Migraines are throbbing headaches often accompanied by nausea and increased sensitivity to light, sound and touch. Nearly 30 million Americans suffer from migraines, and almost 1 in 4 of them have at ...

Polycystic ovary syndrome (PCOS) affects 6%−20% of reproductive-aged women, and is commonly accompanied by irregular menstrual cycles and anovulatory infertility. The mechanisms underlying menstrual ...