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Gestational diabetes (DOC)


Gestational diabetes is usually a temporary type of hyperglycaemia seen in some pregnant women, usually during the second or third trimester. The cause is unknown, but it is thought that some hormones from the placenta increase insulin resistance in the mother causing elevated blood glucose levels. In the UK, Gestational Diabetes is usually diagnosed by an Oral Glucose Tolerance test carried out, either because high glucose concentrations have been found in the urine or blood or because the women is known to be at risk for the condition (obesity, a family history of Type 2 diabetes, an unexplained stillbirth or neonatal death in a previous pregnancy, a very large infant in the current or a previous pregnancy). Testing is usually performed between the 24th and 28th week of pregnancy. If gestational diabetes is not treated, the baby is likely to be larger than normal, be born with low glucose levels, and be born prematurely. Gestational diabetes also raises the risk of eventually developing type 2 diabetes, for both the mother and the baby.

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