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 newborn due to ABO incompatibility Tikrit Medical Journal 2009; 15(2):70-78 70 Hemolytic disease of newborn due to ABO incompatibility Faris B. AL-Swaf* , Rekan S. Jumaa** , Isam S. Saeed*** *Dept. of pediatrics, Ninava College of Medicine, Mousl University. French midwife was the first to report hemolytic disease of the newborn in a set of twins in 1609 (3) .HDN-ABO is a form of Isoimmune hemolytic disease of the newborn due to ABO blood group incompatibility between the mother and infant.