What Is 2-Hour Blood Glucose Test ?

The glucose tolerance test is a medical test for diabetes, insulin resistance, impaired beta cell function. In the most commonly performed version of the test, an oral glucose tolerance test (OGTT), a standard dose of glucose is ingested by mouth and blood levels are checked two hours later.

Two hours after you finish the glucose drink, this is what your results mean:
Below 140 mg/dL: normal blood sugar
Between 140 and 199: impaired glucose tolerance, or prediabetes
200 or higher: diabetes

When you’re pregnant, a blood glucose level of 140 mg/dL or higher is abnormal. Your doctor will recommend that you take a 3-hour OGTT.


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* The Content is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition.