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Anti-Rh(D) IgG subclasses and severity of Rh hemolytic disease of the newborn. 1990

J M Pollock, and J M Bowman
Rh Laboratory, Health Sciences Centre, University of Manitoba, Winnipeg, Canada.

The influence of anti-Rh(D) IgG subclasses on the severity of hemolytic disease of the newborn was examined in 98 pregnancies. Disease was severe in 19 of 32 cases in which only IgG1 was detected, 40 of 63 cases in which IgG1 and IgG3 were found and 0 of 3 cases in which only IgG3 was detected. When both IgG1 and IgG3 anti-D were present, hemolytic disease was more severe than when IgG1 alone was detected. The earliest onset of hydrops was at 20 weeks gestation in the IgG1 + IgG3 anti-Rh group, and at 27 weeks gestation in the IgG1 group.

UI MeSH Term Description Entries
D007074 Immunoglobulin G The major immunoglobulin isotype class in normal human serum. There are several isotype subclasses of IgG, for example, IgG1, IgG2A, and IgG2B. Gamma Globulin, 7S,IgG,IgG Antibody,Allerglobuline,IgG(T),IgG1,IgG2,IgG2A,IgG2B,IgG3,IgG4,Immunoglobulin GT,Polyglobin,7S Gamma Globulin,Antibody, IgG,GT, Immunoglobulin
D007231 Infant, Newborn An infant during the first 28 days after birth. Neonate,Newborns,Infants, Newborn,Neonates,Newborn,Newborn Infant,Newborn Infants
D007518 Isoantibodies Antibodies from an individual that react with ISOANTIGENS of another individual of the same species. Alloantibodies
D011247 Pregnancy The status during which female mammals carry their developing young (EMBRYOS or FETUSES) in utero before birth, beginning from FERTILIZATION to BIRTH. Gestation,Pregnancies
D004899 Erythroblastosis, Fetal A condition characterized by the abnormal presence of ERYTHROBLASTS in the circulation of the FETUS or NEWBORNS. It is a disorder due to BLOOD GROUP INCOMPATIBILITY, such as the maternal alloimmunization by fetal antigen RH FACTORS leading to HEMOLYSIS of ERYTHROCYTES, hemolytic anemia (ANEMIA, HEMOLYTIC), general edema (HYDROPS FETALIS), and SEVERE JAUNDICE IN NEWBORN. Hemolytic Disease of Newborn,Erythroblastosis Fetalis,Erythroblastoses, Fetal,Erythroblastosis Fetali,Fetal Erythroblastoses,Fetal Erythroblastosis,Fetali, Erythroblastosis,Fetalis, Erythroblastosis,Newborn Hemolytic Disease,Newborn Hemolytic Diseases
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D012204 Rh-Hr Blood-Group System Erythrocyte isoantigens of the Rh (Rhesus) blood group system, the most complex of all human blood groups. The major antigen Rh or D is the most common cause of erythroblastosis fetalis. Rh Factors,Rhesus Blood-Group System,Antigen D, Rh Blood Group,Blood-Group System, Rh-Hr,Blood-Group System, Rhesus,Blood-Group Systems, Rh-Hr,Blood-Group Systems, Rhesus,Factor, Rh,Factors, Rh,Rh Factor,Rh Hr Blood Group System,Rh-Hr Blood-Group Systems,Rhesus Blood Group System,Rhesus Blood-Group Systems,System, Rh-Hr Blood-Group,System, Rhesus Blood-Group,Systems, Rh-Hr Blood-Group,Systems, Rhesus Blood-Group

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