Quantitation of neutral steroid sulphates in the amniotic fluid of early and mid-pregnancy.
D000653:Amniotic Fluid / Q000032:analysis*; D000731:Androstanes / Q000032:analysis*; D005260:Female; D005865:Gestational Age; D006801:Humans; D011247:Pregnancy; D011276:Pregnanediol / Q000032:analysis*; D013431:Sulfates / Q000032:analysis*
D000731:Androstanes; D013431:Sulfates; D011276:Pregnanediol