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 ...

PARIS — During perimenopause, alternating periods of low and high estrogen levels mean that hormone replacement therapy (HRT) is not an option. Nevertheless, the progesterone-only treatment ...

While you read this article, your body is busy at work: Chemicals are being secreted from glands, organs, and tissues, sending messages that direct your body to react in certain ways. These chemicals, ...