title: Determination of unconjugated and sulfated neutral steroids in human fetal blood of early and mid-pregnancy.
mesh_terms: D000731:Androstanes / Q000097:blood; D002849:Chromatography, Gas; D003687:Dehydroepiandrosterone / Q000032:analysis; D005260:Female; D005333:Fetus / Q000032:analysis* / Q000378:metabolism; D005865:Gestational Age; D006801:Humans; D010920:Placenta / Q000032:analysis; D011247:Pregnancy; D011278:Pregnanes / Q000097:blood; D011284:Pregnenolone / Q000097:blood; D011374:Progesterone / Q000097:blood; D013057:Spectrum Analysis; D013256:Steroids / Q000097:blood*; D014470:Umbilical Cord / Q000032:analysis
chemical_list: D000731:Androstanes; D011278:Pregnanes; D013256:Steroids; D003687:Dehydroepiandrosterone; D011374:Progesterone; D011284:Pregnenolone