A Blood disease of fetuses and newborn infants caused by the mother's anti-Rh+ antibodies agglutinating her infant's Rh+ Blood. Symptoms include life threatening anemia, jaundice, fever, swollen tissues from edema, and an enlarged liver and spleen. Serious cases of Erythroblastosis fetalis are treated by Blood replacement. This condition is also referred to as "hemolytic anemia" and "hydrops fetalis".