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Maternal and neonatal outcomes of pregnancy at 39 weeks and beyond with mild gestational diabetes mellitus.

OBJECTIVES
The purpose of this study was to retrospectively analyze maternal and neonatal outcomes in pregnant women with mild gestational diabetes mellitus at 39 weeks compared to 40 weeks.


MATERIAL AND METHODS
Clinical data of 372 cases of mild gestational diabetes mellitus form First Affiliated Hospital of Sun Yat-sen University were analyzed retrospectively. There were 108 mild GDM patients that delivered at 40-40+6 weeks in our research group, and 264 patients that delivered in 39-39+6 weeks in the control group. Neonatal and maternal outcomes were compared between the two groups.


RESULTS
There was no difference between the two groups in the rate of cesarean section (42.6% vs. 45.5%, p = 0.614). The incidence of large for gestational age between the two groups was also not different (11.1% vs. 10.6%, p = 0.887). The rate of postpartum hemorrhage and shoulder dystocia of the two groups was not different either (p > 0.05). There was no significant difference in the incidence of fetal distress, neonatal asphyxia, neonatal pathological jaundice, neonatal hypoglycemia, and neonatal respiratory distress syndrome in the two groups (p > 0.05).


CONCLUSIONS
There were no significant differences in adverse pregnancy outcomes and neonatal outcomes in women with mild gestational diabetes between deliveries at 39 and 40 weeks.