Changes in Umbilical-Cord Blood Oxygen Affinity after Intrauterine Transfusions for Erythroblastosis

Abstract
The oxygen affinity of umbilical-cord blood was measured in 15 infants who received intrauterine transfusions (IUT) of adult blood for severe erythroblastosis fetalis (EF), seven infants with EF and various degrees of anemia who did not receive IUT, and nine infants unaffected by EF.