Molecular discoveries may help improve treatments for labor and pain. When labor starts, the uterus must produce steady, ...

For decades, one of the most widely prescribed pregnancy drugs has been used on faith: doctors knew it helped sustain early pregnancies, but not exactly how. Now, after roughly 70 years in clinics and ...

Progesterone is a hormone that plays a big part in reproduction. It's made mostly in the ovaries, and the level fluctuates with your menstrual period. There is less progesterone after menopause.

Progesterone is the main pro-gestational steroid hormone secreted by the female reproductive system. It is linked to the menstrual cycle, pregnancy, and development of an embryo. Progestin is an ...

Progesterone injections are often prescribed for pregnant women who’ve experienced a miscarriage or multiple miscarriages. But experts disagree about whether or not they’re effective. Here’s what you ...

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 ...

Progesterone helps regulate the menstrual cycle and supports a healthy pregnancy. Progesterone levels can be measured with a blood test to track ovulation or diagnose fertility issues. Synthetic ...

Researchers at a University of Pennsylvania dermatology lab were running a cancer study when they noticed that sex hormones were affecting pigment production in normal cells. They’d add estrogen to ...

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 ...