D C101304 Hemolytic Disease of the Fetus or Newborn ABO Isoimmunization Hemolytic Disease due to ABO Isoimmunization A disorder of the fetus or newborn that occurs when fetal cells that are coated with IgG alloantibodies from the mother attack antigens inherited from the father. Severity can range from absence of symptoms to death. C34376 Hemolytic Anemia C99147 Neonatal Research Network Terminology A C106273 ABO Hemolytic Disease of the Newborn ABO Isoimmunization Hemolytic Disease due to ABO Isoimmunization A disorder of the newborn that occurs when cells that are coated with IgG alloantibodies from the mother attack ABO blood type antigens inherited from the father. Severity can range from absence of symptoms to death. C101304 Hemolytic Disease of the Newborn C99147 Neonatal Research Network Terminology