Dr. Suganthi Kumaran explains the importance of the Oral Glucose Tolerance Test An oral glucose tolerance test (OGTT) is a test done to determine how the body handles the sugar or glucose from the food that is consumed. This test can determine whether a person is at risk of developing diabetes or already have it. OGTT is one of the confirmatory tests done to diagnose Type 2 Diabetes and Gestational Diabetes Mellitus (GDM) which is diagnosed at 24-28 weeks of pregnancy.
Test explained The test is done after 8 hours of fasting. After the blood is drawn to test fasting blood sugar, the individual is given 75 g of glucose, mixed in water, orally and then blood is drawn again after 2 hours to test post-prandial blood glucose. Individuals who are obese, with a family history of diabetes, elevated triglycerides, and fasting blood sugar above 100 mg/dL is recommended OGTT. Women with polycystic…
