Gestational diabetes develops during pregnancy and is usually diagnosed at 24 to 28 weeks of gestation on the basis of elevated plasma glucose levels on glucose tolerance testing. The goal of therapy is to achieve maternal glucose levels that are as close to normal as possible in order to avoid fetal macrosomia and complications. Chloe Zera, Assistant Professor, Harvard Medical School gives us a clinical overview of the condition. For more on gestational diabetes, visit BMJ Best Practice: bestpractice.bmj.com/topics/en-gb/665 -

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