Effect of time of removal of intrauterine contraceptive devices on implantation and blastocyst survival in the rat.
D000818:Animals; D001755:Blastocyst; D002369:Castration; D010064:Embryo Implantation; D004970:Estrone / Q000494:pharmacology; D005260:Female; D007434:Intrauterine Devices; D011247:Pregnancy; D011374:Progesterone / Q000494:pharmacology; D051381:Rats; D013997:Time Factors
D004970:Estrone; D011374:Progesterone