How Contraceptives Prevent Pregnancy

Contraceptives prevent pregnancy through surgery, hormones, barrier devices, and cycle tracking. Some methods stop sperm and egg from meeting, while others change ovulation or the uterine environment. The best choice depends on how the method works and how long it is meant to last.

Vasectomy is a...

Birth control can be achieved by three primary methods — surgical, hormonal control, and barrier methods.

Vasectomy is a surgical procedure for male sterilization, severing the vasa deferentia without affecting testosterone levels or sexual function.

Female sterilization may involve tubal ligation, tying both uterine tubes using cl...