Can i drink before gtt

Go Filters. Harmones Gastrointestinal Tract Tests. Investor Centre. Requirements Prior to the Test. You are to remain on a normal, unrestricted diet for at least 3 days prior to test. You have had no acute significant illness for 2 weeks prior to test. Patient Information Expand Navigation. Glucose tolerance test instructions This is a routine test that is performed between 24 and 28 weeks to screen for Gestational Diabetes. You cannot eat or drink 2 hours prior to your appointment time.

This includes water You may refrigerate your drink, but do not drink over ice. Instructions To have nothing to eat or drink except from plain water and regular medication but not any ant- acids from 10pm the night before the test.

Following your first blood test you need to wait in the waiting area for two hours, until the second blood test. This is to ensure that you are resting, as any activity could alter the results of the test. If you are a smoker then please refrain from smoking the midnight before the test until after the second blood sample has been taken, as smoking can interfere with the test.

Following the second sample you may continue with your day as normal. Most women do not have side effects from the glucose tolerance test. Drinking the glucose solution is similar to drinking a very sweet soda. Some women may feel nauseated, sweaty, or lightheaded after they drink the glucose solution. Serious side effects from this test are very uncommon.

This test checks for gestational diabetes. Most pregnant women have a glucose screening test between 24 and 28 weeks of pregnancy. The test may be done earlier if you have a high glucose level in your urine during your routine prenatal visits, or if you have a high risk for diabetes. Women who have a low risk for diabetes may not have the screening test.

To be low-risk, all of these statements must be true:. A normal result means you do not have gestational diabetes. These are two ways to indicate how much glucose is in the blood. This test will show if you have gestational diabetes. Most women about 2 out of 3 who take this test do not have gestational diabetes. If your glucose level is lower than the abnormal results described below, you do not have gestational diabetes. If only one of your blood glucose results in the oral glucose tolerance test is higher than normal, your provider may simply suggest you change some of the foods you eat.

Then, your provider may test you again after you have changed your diet. If more than one of your blood glucose results is higher than normal, you have gestational diabetes.