Progesterone is a hormone that supports menstruation and pregnancy. It typically rises during pregnancy and while using some birth control medications. Low levels can affect menstruation and fertility ...

Autoimmune progesterone dermatitis (APD) is a rare disorder characterized by recurrent skin manifestations starting during the luteal phase of a woman's menstrual cycle. Risk factors include fertile ...

Progesterone, a hormone that decreases during menopause, can be used alone or with estrogen to alleviate symptoms like hot flashes and sleep disturbances. Progesterone therapy can offer benefits such ...

This article was reviewed by Lynn Marie Morski, MD, JD. Progesterone is a natural reproductive hormone that declines during perimenopause and menopause. Progestin is a synthetic version of ...