title: The mechanism of action of intrauterine contraceptive devices.
mesh_terms: D000818:Animals; D002417:Cattle; D005260:Female; D000882:Haplorhini; D006801:Humans; D007434:Intrauterine Devices; D011247:Pregnancy; D011817:Rabbits; D051381:Rats; D012756:Sheep; D013045:Species Specificity