[Unwanted pregnancy after careful contraception].
D003267:Contraception / Q000379:methods*; D003276:Contraceptives, Oral; D005260:Female; D006801:Humans; D007434:Intrauterine Devices; D011247:Pregnancy; D011275:Pregnancy, Unwanted
D003276:Contraceptives, Oral
Ongewenste zwangerschap na zorgvuldige anticonceptie.