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Gestational Diabetes Diagnosis
How is gestational diabetes diagnosed?
The oral glucose tolerance test is used to diagnose the condition.
Most women get tested for gestational diabetes between the 24th and 28th weeks of pregnancy. The method of testing may vary. Experts think that each method works as well as the other one.
The first method is done in two steps.
- A blood sample is taken after you drink a liquid that contains sugar (glucose). If you don't have a lot of sugar in your blood, you don't have gestational diabetes.
- If you have a lot of sugar in your blood, you will do the oral glucose tolerance test (OGTT). If it shows that you have a lot of sugar in your blood, you may have gestational diabetes.
Some experts use a one-step method that is a version of the OGTT. If it shows that you have a lot of sugar in your blood, you may have gestational diabetes.