The Natural Cycles app aims to prevent pregnancy by evaluating a woman’s daily temperature and menstruation data. The app — which uses this information to calculate which days a woman is at a high or ...

The report may help explain why the teen pregnancy rate is no longer dropping like it was. Overall, teenage use of birth control and teen attitudes toward pregnancy have remained about the same since ...

For women trying not to get pregnant, life should be easy. Conception can only happen 12-24 hours after ovulation. Sure, sperm may last as many as 3-4 days in the genital tract, hanging around for the ...

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 ...