The measurement of pregnanediol sulphate in amniotic fluid.
D000653:Amniotic Fluid / Q000032:analysis*; D002623:Chemistry Techniques, Analytical; D002845:Chromatography; D002849:Chromatography, Gas; D005260:Female; D006801:Humans; D008722:Methods; D011247:Pregnancy; D011276:Pregnanediol / Q000032:analysis*
D011276:Pregnanediol