Annals of internal medicine
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Outcomes of treating gestational diabetes mellitus (GDM) are not well-established. ⋯ Treating GDM results in less preeclampsia, shoulder dystocia, and macrosomia; however, current evidence does not show an effect on neonatal hypoglycemia or future poor metabolic outcomes. There is little evidence of short-term harm of treating GDM other than an increased demand for services.