Combination birth control pills contain both estrogen and progesterone. The hormones prevent pregnancy by stopping ovulation and changing the lining of your uterus (womb) and your vaginal discharge to ...

The FDA has approved Opill, also known as the Minipill, for over-the-counter access without a prescription in the United States. Opill has been available in other countries for more than half a decade ...

Side effects are possible with any contraceptive. However, popular myths and misconceptions have led many to believe that the risks of certain side effects are more likely than the evidence suggests.