birth control n.
Voluntary limitation or control of the number of children conceived, especially by planned use of contraceptive techniques.
| birth control Planned interference with conception in order to control the number of offspring born. Birth control techniques include drugs containing hormones, the diaphragm, and the intrauterine device. |
The practice of preventing conception to limit the number of births. (See contraception, family planning, population control, and Margaret Sanger.)