Usha, K KSulochana, P V1998-11-252009-05-301998-11-252009-05-301998-11-25Usha KK, Sulochana PV. Detection of high risk pregnancies with relation to ABO haemolytic disease of newborn. Indian Journal of Pediatrics. 1998 Nov-Dec; 65(6): 863-5http://imsear.searo.who.int/handle/123456789/82811IgM and IgG anti A and anti B antibody status of 100 antenatal O group mothers (who had non O group husbands) were studied. Of these, 3 mothers had an IgM anti A antibody levels ranging from 1:512 to 1:2048 and IgG ranging from 1:1204 to 1:2048, IgM anti B ranging from 1:128 to 1:512 and IgG anti B ranging from 1:256 to 1:512. All these mothers had A + ve children and all these children suffered from ABO haemolytic disease of newborn (HDN). A 4th mother had an IgM anti A titre of 1:64 and IgG anti A titre of 1:16. The titre of IgM anti B in this mother was 1:512 and that of IgG 1:1024. The child was A + ve and did not suffer from ABO haemolytic disease of newborn.engABO Blood-Group SystemAdultBlood Group Incompatibility --bloodErythroblastosis, Fetal --bloodFemaleHumansInfant, NewbornIsoantibodies --bloodMalePregnancyPregnancy, High-RiskDetection of high risk pregnancies with relation to ABO haemolytic disease of newborn.Journal Article