[Natural family planning in the past and present].
D003270:Contraceptive Agents; D003273:Contraceptive Devices; D005193:Family Planning Services / Q000266:history*; D005260:Female; D049690:History, Ancient; D049691:History, Medieval; D049711:History, Modern 1601-; D006801:Humans; D012252:Natural Family Planning Methods; D011247:Pregnancy
D003270:Contraceptive Agents
Naturlig familjeplanering förr och nu.