natural family planning

Noun

1.

natural family planning - 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

basal body temperature method, basal body temperature method of family planning, birth control, birth prevention, calendar method, calendar method of birth control, family planning, ovulation method, ovulation method of family planning, rhythm, rhythm method, rhythm method of birth control