Journal
DIABETIC MEDICINE
Volume 17, Issue 4, Pages 281-286Publisher
WILEY
DOI: 10.1046/j.1464-5491.2000.00268.x
Keywords
gestational diabetes mellitus; oral hypoglycaemic agents; pregnancy
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Aims To assess maternal and fetal outcomes in pregnancies complicated by gestational diabetes mellitus (GDM) compared to non-diabetic pregnancies with an otherwise similar risk profile and to study the association between different anti-diabetic treatments and fetal outcomes. Methods The records of 143 consecutive GDM pregnancies and 143 nondiabetic controls matched on the basis of age, parity and pre-pregnancy body mass index (BMI) were studied. The GDM patients were treated with diet, tolbutamide and insulin. Data were collected from medical records and birth records. Results Despite treatment, the GDM group had a statistically significant higher frequency of maternal hypertension (20% vs. 11%), induction of labour (61% vs. 24%), Caesarean section (33% vs. 21%), macrosomia (14% vs. 6%), neonatal hypoglycaemia (24% vs. 0) and admission to a neonatal unit (46% vs. 12%). The risk of complications was similar in the different treatment groups. However, in the tolbutamide-treated group, one case of long-standing severe hypoglycaemia in a premature neonate occurred. Conclusions Pregnancies complicated by GDM are associated with a higher frequency of adverse maternal and fetal outcomes. The outcomes seem to be unaffected by treatment modality. However, because of the potential risk of hypoglycaemia in some neonates, tolbutamide treatment cannot be recommended in pregnancy.
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