MedlinePlus Medical Encyclopedia: Oral glucose tolerance test

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Oral glucose tolerance test

During the oral glucose tolerance test your blood glucose is tested two hours after drinking 75 grams of glucose. You are diagnosed with diabetes if your blood glucose level is 200 mg/dl or greater.

Update Date: 8/11/2006

Updated by: Robert Hurd, MD, Department of Biology, College of Arts and Sciences, Xavier University, Cincinnati, OH. Review provided by VeriMed Healthcare Network.

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