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 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 ...

Did you know your body is full of chemical messengers that help regulate your various organs and body systems? There are at least 50 such chemicals, called hormones, in the human body. Their levels ...