What happens at a GTT test?
A glucose tolerance test (GTT) or oral glucose tolerance test (OGTT) measures your blood glucose levels. In the test, your blood is taken, and you’re then given a glucose drink. After 2 hours your blood is taken again to see how quickly your body is able to clear the glucose from your blood.
Why GTT test is done?
The glucose tolerance test is a lab test to check how your body moves sugar from the blood into tissues like muscle and fat. The test is often used to diagnose diabetes. Tests to screen for diabetes during pregnancy are similar, but are done differently.
How do you pass the 2 hour glucose test?
3 Secret Ways to Pass the Glucose Test Your Doctor May Not Tell You About
- Avoid high-sugar foods shortly before the test and cut back on simple, or refined, carbs.
- Chow down on healthy carbohydrates and make sure you eat a good balance of carbs and protein.
What should I eat to pass my glucose test?
Here is the best method of preparation: Eat a balanced diet that contains at least 150 grams of carbohydrates per day for 3 days before the test. Fruits, breads, cereal, rice, crackers, and starchy vegetables such as potatoes, beans and corn are good sources of carbohydrates.
How do I know if I passed my 3 hour glucose test?
Blood Draw Numbers:
- Fasting = 90 (passing score is 65-94) Passed.
- 1 hour = 197 (passing score is 65 – 179) Failed.
- 2 hour = 136 (passing score is 65 – 154) Passed.
- 3 hour = 51 (passing score is 65 – 139) Below Normal.
How long does 3 hour glucose test results take?
Results: These should be available in a few days. If the reading is too high, which happens an estimated 15 to 23 percent of the time, you’ll be asked to return for a three-hour glucose tolerance test (see below) to see whether you have gestational diabetes.
Do you feel sick after 3 hour glucose test?
It’s actually more common for women to feel sick during the three-hour glucose tolerance test, because the solution for that test may be twice as sweet, or contain twice as much liquid as the one for the screening test, and you have to drink that one on an empty stomach.
Do you feel weird after glucose test?
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.
How do you pass the 3 hour glucose test?
So, some tips for anyone having to go through this:
- Drink water. Drink lots of water the day before the test and bring water to drink during the test.
- Try not to look too far into the future.
- Bring books, a magazine, knitting, etc.
- Bring a post-test snack.
Can I drink water during 3 hour glucose test?
You may drink water so feel free to bring your own cup or water bottle. Once the test is completed, you may resume normal eating and drinking. You may be hungry once the test is finished, so you may want to bring along a light snack to eat before leaving or driving home.
Does drinking water affect glucose test?
It’s fine to drink water before a blood test, unless you’re instructed otherwise by your doctor.
Does water dilute glucose test?
Water will not raise blood glucose levels, which is why it is so beneficial to drink when people with diabetes have high blood sugar, as it enables more glucose to be flushed out of the blood.
Can I drink water before glucose test pregnancy?
DO NOT eat or drink anything (other than sips of water) for 8 to 14 hours before your test. (You also cannot eat during the test.) You will be asked to drink a liquid that contains glucose (75 g). You will have blood drawn before you drink the liquid, and again 2 more times every 60 minutes after you drink it.