title: Progesterone synthesis by human placental syncytiotrophoblast in vitro--preferred precursor and effect of human chorionic gonadotropin.
mesh_terms: D006063:Chorionic Gonadotropin / Q000494:pharmacology*; D046508:Culture Techniques; D004305:Dose-Response Relationship, Drug; D005260:Female; D006801:Humans; D007700:Kinetics; D011247:Pregnancy; D011284:Pregnenolone / Q000494:pharmacology*; D011374:Progesterone / Q000096:biosynthesis*; D014327:Trophoblasts / Q000187:drug effects / Q000378:metabolism*
chemical_list: D006063:Chorionic Gonadotropin; D011374:Progesterone; D011284:Pregnenolone