title: Sources of 17 alpha-hydroxypregnenolone and its sulfate in human pregnancy.
mesh_terms: D006907:17-alpha-Hydroxypregnenolone / Q000031:analogs & derivatives* / Q000032:analysis*; D000653:Amniotic Fluid / Q000032:analysis; D000757:Anencephaly / Q000097:blood; D003907:Dexamethasone; D005260:Female; D006801:Humans; D010920:Placenta; D011247:Pregnancy; D011262:Pregnancy Trimester, Second; D011263:Pregnancy Trimester, Third; D014469:Umbilical Arteries; D014471:Umbilical Veins
chemical_list: C032535:17-hydroxypregnenolone sulfate; D006907:17-alpha-Hydroxypregnenolone; D003907:Dexamethasone