Intra-uterine contraceptive devices.
D003075:Coitus; D005260:Female; D006801:Humans; D007434:Intrauterine Devices / Q000009:adverse effects; D007435:Intrauterine Devices, Copper; D007436:Intrauterine Devices, Medicated; D010298:Parity; D011247:Pregnancy; D011271:Pregnancy, Ectopic / Q000453:epidemiology; D011374:Progesterone / Q000494:pharmacology
D011374:Progesterone