[Mechanism of action of intrauterine devices].
D003270:Contraceptive Agents / Q000494:pharmacology*; D004717:Endometrium / Q000187:drug effects; D005260:Female; D006801:Humans; D007435:Intrauterine Devices, Copper; D007436:Intrauterine Devices, Medicated; D011247:Pregnancy; D011374:Progesterone / Q000494:pharmacology
D003270:Contraceptive Agents; D011374:Progesterone
Mecanismo de acción de los dispositivos intrauterinos.