Hormonal birth control is a method of preventing pregnancy. Some types of antibiotics and other medications can interact with hormonal birth control, causing it to be less effective. Birth control, or ...

Most forms of birth control require storage in dry, cool places at room temperature. Direct sunlight and extreme temperatures may cause them to break down and become less effective. Prolonged periods ...

Natural family planning, barriers, hormonal methods, copper IUDs, and permanent sterilization have varying degrees of effectiveness. Family planning involves tracking fertility cycles and sexual ...