It seems like the definition of pregnancy should be simple: You either are or you're not. But medical experts disagree with some conservative lawmakers about what constitutes a pregnancy and therefore ...

There are many different kinds of birth control—and even more factors contributing to decisions about the best birth control method for you or your partner. Some methods rely on the hormone progestin ...

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

Fertility awareness may be effective for birth control if people use it correctly and consistently, particularly if they use a combination of methods. Fertility awareness is a method for recognizing ...