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Foetal macrosomia in diabetic pregnancy. Further data on the association with maternal PGM1 genotype
N Lucarini1, G Gerlini, F Gloria-Bottini
1Chair of Human Development, 2nd University of Rome, School of Medicine, Italy.
The pattern of associations between maternal phosphoglucomutase locus 1 (PGM1) and foetal macrosomia in diabetic pregnancy has been compared with that observed in normal pregnancy. In diabetic pregnancy a substantial increase of macrosomic infants, as compared to normal pregnancy, is observed only among women homozygous for PGM1(1) allele. Also neonatal hypoglycemia is much more frequent in newborns from PGM1(-1) mothers than in newborns from other mothers. Since enzymatic activity of PGM1(-1) phenotype is lower as compared to other PGM1 phenotypes, this may influence glycaemic level and/or its stability in diabetic pregnant women with unfavourable effects on the metabolic and developmental patterns of the foetus.
The pattern of associations between maternal phosphoglucomutase locus 1 (PGM1) and foetal macrosomia in diabetic pregnancy has been compared with that observed in normal pregnancy. In diabetic pregnancy a substantial increase of macrosomic infants, as compared to normal pregnancy, is observed only among women homozygous for PGM1(1) allele. Also neonatal hypoglycemia is much more frequent in newborns from PGM1(-1) mothers than in newborns from other mothers. Since enzymatic activity of PGM1(-1) phenotype is lower as compared to other PGM1 phenotypes, this may influence glycaemic level and/or its stability in diabetic pregnant women with unfavourable effects on the metabolic and developmental patterns of the foetus.