Luteotrophic activity of the young conceptus in the rat.
D000818:Animals; D003338:Corpus Luteum / Q000187:drug effects*; D010064:Embryo Implantation; D005260:Female; D010920:Placenta / Q000378:metabolism; D011247:Pregnancy; D011374:Progesterone / Q000494:pharmacology*; D051381:Rats; D014621:Vagina / Q000166:cytology
D011374:Progesterone