Effect of intra-uterine devices on corpus luteum function.
D000818:Animals; D002417:Cattle; D003338:Corpus Luteum / Q000502:physiology*; D004971:Estrus / Q000502:physiology; D005260:Female; D006168:Guinea Pigs; D000882:Haplorhini; D006801:Humans; D007434:Intrauterine Devices; D012756:Sheep; D013552:Swine