juxtaposition (plural juxtapositions) 1  The nearness of objects with little or no delimiter. 2  The extra emphasis given to a comparison when the contrasted objects are close together.
Hemolytic disease of the newborn (HDN), also known as alloimmune HDN or erythroblastosis fetalis, is a potentially fatal alloimmune condition where fetal red blood cells are destroyed by transplacentally acquired maternal antibodies. RhD is the most common offending paternal antigen.
hemolytic disease of the newborn, anemia, and polycythemia. Another clinically rele-vant hematologic issue in neonates to be covered herein is thrombocytopenia. Disor-ders of white blood cells will not be reviewed. RED BLOOD CELL Clinical signs of an RBC disorder in the immediate newborn period are jaundice (he-