title: The site of progesterone production in early pregnancy.
mesh_terms: D000028:Abortion, Induced; D000032:Abortion, Therapeutic; D006063:Chorionic Gonadotropin / Q000097:blood; D003338:Corpus Luteum / Q000378:metabolism; D005260:Female; D005865:Gestational Age; D006801:Humans; D010920:Placenta / Q000378:metabolism; D011247:Pregnancy; D011374:Progesterone / Q000096:biosynthesis* / Q000097:blood*; D011485:Protein Binding; D011863:Radioimmunoassay
chemical_list: D006063:Chorionic Gonadotropin; D011374:Progesterone