A member asked:

How do i do a glucose tolerance test?

7 doctors weighed in across 5 answers

GTT at home: Glucose tolerance testing is done less frequently now a days. You can do your own home version geta home glucose testing kit. Do the 1st blood glucose after an overnight fast, have a very hearty breakfast and do a bl glucose 1 hour and 2 hrs after the breakfast. Your fasting bl glucose should be below 200 if above 200 you do not need to do the test, you have diabetes and the result will not cha.

Answered 7/27/2018

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2-hr OGTT: Patients are asked to fast 8-12 hours before the test. Some places can put in a little IV so that blood draws can come from it instead of repeated needles. The first sample or two of blood are about 15 min apart. Then you will get a very sweet drink. Blood will be drawn 30, 60, 120 min (sometimes more frequently) afterward for glucose to see how yor body responds to the sugar drink.

Answered 7/27/2018

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A check for diabetes: The GTT is a way for us to see who is at highest risk of diabetes. It is recommended that everyone be screened during their pregnancy, usually around 24-28 weeks. We will give you a bottle of a very sugary drink. You have five minutes to drink it all! Then a hour later we do a blood test to see how you metabolized the sugar. If you are high risk you may need further testing or treatment.

Answered 6/5/2017

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TO DIAGNOSE DIABETES: To diagnose diabetes and Insulin resistance, pre diabetes and gestational [ pregnancy related] diabetes.

Answered 6/25/2014

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Drink glucose soluti: You drink a glucose solution and then have blood samples taken at various intervals to be analyzed for glucose level.

Answered 4/18/2013

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Can taking glucosamine daily affect the glucose tolerance test?

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Can you be diagnosed diabetic from glucose tolerance test results?

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Am I at risk for diabetes if my glucose tolerance test came out positive.

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