A method for diagnosing ABH (O) blood group of the fetus.
D000017:ABO Blood-Group System; D000653:Amniotic Fluid / Q000276:immunology; D005260:Female; D005312:Fetal Blood / Q000276:immunology; D005333:Fetus / Q000276:immunology*; D006385:Hemagglutination Inhibition Tests / Q000379:methods*; D006801:Humans; D011247:Pregnancy
D000017:ABO Blood-Group System