What Are the Side Effects of the Birth Control Shot Depo-Provera?
Depo-Provera is as an injectable form of a long-term hormone-based birth control from Pfizer. The product contains the male hormone medroxyprogesterone acetate, and women receive injections once every 13 weeks. A significant side effect of Depo-Provera is a decrease in bone mass. Other side effects range from changes in menstruation to acne, and women with certain health problems such as heart disease should not receive Depo-Provera injections.