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.
4. Lacey PA et al. Fatal hemolytic disease of the newborn due to anti-D in anRH positive D u variant mother. Transfusion 1983;23:91 5. John M Bowman. Maternal Alloimmunization and Fetal Hemolytic Disease. In: Reece EA et al (eds), Medicine of the Fetus and Mother.Philadelphia ,J.B Lippincott, 1992.