The oral glucose tolerance test is performed to screen for gestational diabetes between the 24th and 28th week of pregnancy. If you have had gestational diabetes in a previous pregnancy, or if doctor is concerned about your risk of developing gestational diabetes, the test might be performed earlier.
The oral glucose tolerance test is performed to screen for gestational diabetes.
Reference Values For 75 GRAM , 2 hour Oral Glucose Tolerance Test (OGTT) in Pregnancy. It has been recommended that a 2-h 75-g OGTT be performed on all women at 24 to 28 weeks’ gestation not previously found to have overt diabetes or gestational diabetes mellitus (GDM) during early testing in their current pregnancy.
