[Natural means of birth control].
D005193:Family Planning Services; D005260:Female; D005298:Fertility; D006801:Humans; D008598:Menstruation; D012252:Natural Family Planning Methods; D010060:Ovulation; D049590:Postpartum Period; D011247:Pregnancy; D014599:Uterus / Q000502:physiology
Les moyens naturels de régulation des naissances.