This document provides information about various contraceptive methods. It begins with definitions of terms like contraception and discusses natural family planning methods like abstinence, lactation, and calendar-based approaches. It then covers barrier methods like condoms and diaphragms, hormonal methods like oral contraceptives and IUDs, sterilization, and emergency contraception. Effectiveness rates are provided for different contraceptives. Key terms around contraception and reproductive health are also defined.