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Doctor insights on: Glucose Tolerance Test Diabetes

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What's a 3 hour oral glucose tolerance test (ogtt) for diabetes?

What's a 3 hour oral glucose tolerance test (ogtt) for diabetes?

Gestational diabetes: A test for how you respond to known sugar loads in pregnancy and whether you are diabetic from pregnancy... If abnormal, may need to make changes in diet or meds. ...Read more

Dr. Quang Nguyen
3,207 doctors shared insights

Diabetes (Definition)

Diabetes is a disease of increased blood glucose levels. Glucose is a type of sugar that comes from the intake of food. Insulin is a type of hormone that removes the glucose from the blood and moves it into the cells to provide them with energy. There are two different types of diabetes: type 1 and type 2. Type 1 diabetes is when the body does not make any insulin. Therefore, glucose stays inside the blood and does not move into the cells. Type 2 diabetes, which is commonly associated with obesity, is when the body is either resistant to the effects of insulin or when the body does not produce enough insulin. Increased levels of glucose in the body causes severe damage to the ...Read more


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What oral glucose tolerance test result indicates diabetes?

What oral glucose tolerance test result indicates diabetes?

Unclear question: There is a set of rules for interpreting the results of ogt and it should be done by your doctor. ...Read more

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Due to an eating disorder, I don't want to take the glucose tolerance test for gestational diabetes -50 g of sugar/ 200 calories. Any other options?

Due to an eating disorder, I don't want to take the glucose tolerance test for gestational diabetes -50 g of sugar/ 200 calories. Any other options?

Eating disorder: Let your doctor know your illness and get help so you will get better and give birth to a healthy child. You and the infant need you to be well. ...Read more

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What is a glucose tolerance test?

What is a glucose tolerance test?

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. ...Read more

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Do I need a glucose tolerance test?

Do I need a glucose tolerance test?

Yes: You actually need a glucose challenge test (gct) in pregnancy, which is a 1 hour screening test for gestational diabetes. If your screening test is abnormal then you need the glucose tolerance test (gtt), which is typically a 3 hour test. It is very important that all women are screened for gestational diabetes in their pregnancies. ...Read more

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How do I do a glucose tolerance test?

How do I do a glucose tolerance test?

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. ...Read more

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What is the oral glucose tolerance test?

What is the oral glucose tolerance test?

See details: You drink a glucose preparation (glucola) and your blood glucose is checked before you drink it and at intervals up to 3 or 5 hours after you drink it. ...Read more

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What's a one hour oral glucose tolerance test?

Screen test: Popular test in obstetrics to identify gestational diabetes : blood sugar is drawn, the patient drinks 75 gm of glucose in the form of glucola and blood sugar is drawn 1 hr after. ...Read more

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Home ogtt (oral glucose tolerance test), how to do it?

Home ogtt (oral glucose tolerance test), how to do it?

Not an approved test: Hi. You could conceivably weigh out 75 grams of glucose at home and use a finger stick blood glucose meter and do something very similar to a real, diagnostic Standard 2-Hour OGTT, and get a good sense for your glycemic status, but there is no test approved for home diagnosis. Serum glucose should be used (not whole capillary blood). If you want an OGTT, I surest you go get a real one. Good luck! ...Read more

Tolerance (Definition)

When one takes a drug, such as heroin or alcohol, repeatedly, 'tolerance' develops because more of the drug is needed to give the same effect on the body/brain; e.g. Liver enzymes r stimulated to metabolize the drug faster and faster. There may be a strong genetic predisposition to addiction, some studies suggesting that 1 of 10 people will become dependent on alcohol or some ...Read more


Blood Sugar (Definition)

The blood sugar concentration or blood glucose level is the amount of glucose (sugar) present in the blood of a human or animal. The body naturally tightly regulates blood glucose levels as a part of metabolic homeostasis. Glucose is the primary source of energy for the body's cells, and blood lipids (in the form of fats and oils) are primarily ...Read more