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[Diabetes and pregnancy. Maternal risk factors and neonatal morbidity].

BACKGROUND
To verify in our population the incidence of infants of mother with insulin dependent diabetes mellitus (IDDM) or gestational diabetes (GD) and to evaluate the maternal characteristics influencing neonatal outcome.


METHODS
The study was retrospectively performed on 6179 infants born between 1995 and 1998 at the Obstetric Clinic of the University of Messina and referred the Division of Neonatology. The following groups have been selected: group A (offsprings of IDDM mothers), group B (offsprings of DG mothers), group C and group D, controls, (2 infants of the same sex and gestational age born before and after the infants of group A and group B, respectively). The parameters analyzed were: diabetic familiarity, age, weight and body mass index (BMI) of the mothers, delivery, gestational age, weight at birth, neonatal outcome.


RESULTS
The infants of IDDM mothers were 3% and the infants of GD mothers were 0.8%. Group A and group B present a significantly higher incidence of: diabetic familiarity, cesarean section, macrosomia, hypoglycemia, hypocalcemia, hyperbilirubinemia. The GD mothers had weight and BMI higher than IDDM mothers. The infant weight did not correlate with maternal weight and BMI.


CONCLUSIONS
These data suggest that in our population GD is underestimated, metabolic control in pregnancy is insufficient, obstetric practices are too invasive, neonatal outcome is verosimely correlated only to metabolic control.