The utility of ultrasonically measured umbilical vein diameters in isoimmunized pregnancies.
D004899:Erythroblastosis, Fetal / Q000175:diagnosis* / Q000517:prevention & control; D005260:Female; D006801:Humans; D011247:Pregnancy; D014463:Ultrasonography; D014471:Umbilical Veins / Q000473:pathology*