natural family planning is a noun meaning "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". It carries one recorded sense.
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
Definitions, synonyms and semantic relations for natural family planning come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.