Committee on maternal health explains exam of amniotic fluid.
D000653:Amniotic Fluid / Q000032:analysis*; D004899:Erythroblastosis, Fetal / Q000517:prevention & control; D005260:Female; D006801:Humans; D011247:Pregnancy; D012204:Rh-Hr Blood-Group System; D013053:Spectrophotometry
D012204:Rh-Hr Blood-Group System