an act of formulating a program for a definite course of action

a method of birth control in which coitus is initiated but the penis is deliberately withdrawn before ejaculation

any of several methods of family planning that do not involve sterilization or contraceptive devices or drugs; coitus is avoided during the fertile time of a woman's menstrual cycle

birth control by the use of devices (diaphragm or intrauterine device or condom) or drugs or surgery