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1. • • A glucose tolerance test (GTT) checks how well the body processes blood sugar (glucose). It involves comparing the levels of glucose in the blood before and after drinking a sugary drink. The results of this test can help doctors to detect type 2 diabetes or pre-diabetes (impaired glucose tolerance).
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     How does a glucose tolerance test work? - Patient

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   How does a glucose tolerance test work?

   • On the morning of the glucose tolerance test your doctor or nurse will take a sample of blood before the test begins. This is known as the fasting sample; it provides a comparison for the other test results. To do this you may have a small needle placed into a vein in the back of your hand.

   How does a glucose tolerance test work? | Patient

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   When should a glucose tolerance test be done?

   • This is followed by a repeat glucose tolerance test at 24-28 weeks of pregnancy if the first test is normal. Women with other risk factors (as listed above) should have a glucose tolerance test at 24-28 weeks of pregnancy. How does a glucose tolerance test work? In most people a simple blood test is enough to detect diabetes.

   How does a glucose tolerance test work? | Patient

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   Should I do the oral glucose tolerance test if I have diabetes?

   • If you have symptoms of diabetes, your provider may want you to do the oral glucose tolerance test because it's very good at picking up the different types of diabetes Early diagnosis can significantly reduce your risk of diabetes-related complications and death.

   Oral Glucose Tolerance Test: Uses and Results - Verywell Health

   www.verywellhealth.com/the-oral-glucose-tolerance-test-1087684

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3. www.mayoclinic.org › tests-procedures › glucoseGlucose tolerance test - Mayo Clinic

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   The glucose tolerance test measures the body's response to sugar, also called glucose. Another name for this test is the oral glucose tolerance test. This test can be used to screen for type 2 diabetes or prediabetes before you have symptoms of either condition.

4. www.ncbi.nlm.nih.gov › books › NBK532915Glucose Tolerance Test - StatPearls - NCBI Bookshelf

   www.ncbi.nlm.nih.gov › books › NBK532915

   Apr 23, 2023 · A glucose tolerance test (GTT) is a procedure that determines whether a patient can use and store glucose normally. [1] The test is usually used to test for diabetes mellitus, insulin resistance, impaired pancreatic beta cell function, and sometimes reactive hypoglycemia or acromegaly, or rarer disorders of carbohydrate metabolism. [2]

   • Author: Emily Eyth, Hajira Basit, Carrie J. Smith

   • Publish Year: 2019

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6. www.webmd.com › diabetes › diagnosis-diabetesDiabetes Diagnosis: Tests Used to Detect Diabetes - WebMD

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   Mar 4, 2023 · An oral glucose tolerance test measures your blood sugar after you have gone at least eight hours without eating and two hours after you drink a...

7. www.verywellhealth.com › the-oral-glucoseOral Glucose Tolerance Test: Uses and Results - Verywell Health

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   Feb 28, 2023 · The oral glucose tolerance test can diagnose type 1 diabetes, type 2 diabetes, pregnancy-related diabetes ( gestational diabetes ), and high blood sugar levels that put someone at risk for type 2 diabetes ( prediabetes ).

8. www.healthline.com › oral-glucose-tolerance-testOral Glucose Tolerance Test: Uses, Preparing, & More - Healthline

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   Apr 13, 2022 · An oral glucose tolerance test (OGTT) measures how well your body processes glucose, or blood sugar. Glucose is your body’s primary source of energy. Often, an OGTT is used to...

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10. patient.info › glucose-tolerance-testHow does a glucose tolerance test work? - Patient

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    Jul 11, 2022 · A glucose tolerance test (GTT) checks how well the body processes blood sugar (glucose). It involves comparing the levels of glucose in the blood before and after drinking a sugary drink. The results of this test can help doctors to detect type 2 diabetes or pre-diabetes (impaired glucose tolerance). It is also used in diagnosing diabetes in ...

11. www.ncbi.nlm.nih.gov › books › NBK279331In brief: What do glucose tolerance tests involve ...

    www.ncbi.nlm.nih.gov › books › NBK279331

    Dec 18, 2023 · Last Update: December 18, 2023; Next update: 2026. Oral glucose tolerance tests (OGTT) are done to measure how well the body can process larger amounts of sugar. If the blood sugar reading is above a certain level, this could be a sign that sugar is not being absorbed fast enough by the body’s organs.