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Gestational diabetes
Back to QuestionsYou may be at higher risk of developing diabetes in pregnancy (gestational diabetes) if you:
- are overweight
- have had diabetes in pregnancy before
- have had a baby weighing 4.5kg (9.9lb) or more before
- have a close relative with diabetes
- have a south Asian, black or African Caribbean, or Middle Eastern family background
If you're considered to be at high risk for gestational diabetes, you may be offered a test called the OGTT (oral glucose tolerance test). This involves drinking a sugary drink and having blood tests.
The OGTT is done when you're between 24 and 28 weeks pregnant. If you've had gestational diabetes before, you'll be offered:
- early self monitoring of blood glucose levels, or
- an OGTT earlier in pregnancy, soon after your booking visit, and another at 24 to 28 weeks if the first test is normal
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by Phuong Le