Oral glucose tolerance test (OGTT)

Why it is done

Diagnosing diabetes in pregnancy and unclear cases.

Preparation

Fast overnight; the test takes about 2 hours. Laboratory-specific; see the reference range on your report. High or positive may mean: Diabetes or gestational diabetes. Low or negative may mean: Normal glucose tolerance. General information, not a diagnosis. Results must be interpreted by a qualified health worker.

What it measures

Blood sugar before and after a sugar drink.

Sample type

Blood

If the result is high

Diabetes or gestational diabetes.

If the result is low

Normal glucose tolerance.

सम्बन्धित अवस्था

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सामान्य प्रश्न

What does the Oral glucose tolerance test (OGTT) measure?
Blood sugar before and after a sugar drink.

Why is the Oral glucose tolerance test (OGTT) done?
Diagnosing diabetes in pregnancy and unclear cases.

Do I need to fast for the Oral glucose tolerance test (OGTT)?
Fast overnight; the test takes about 2 hours.

What does a high or positive Oral glucose tolerance test (OGTT) mean?
Diabetes or gestational diabetes.

What does a low or negative Oral glucose tolerance test (OGTT) mean?
Normal glucose tolerance.

What is the normal range for the Oral glucose tolerance test (OGTT)?
Laboratory-specific; see the reference range on your report.

Oral glucose tolerance test (OGTT) किन गरिन्छ?
Diagnosing diabetes in pregnancy and unclear cases.

Oral glucose tolerance test (OGTT) का लागि तयारी/उपवास चाहिन्छ?
Fast overnight; the test takes about 2 hours. Laboratory-specific; see the reference range on your report. High or positive may mean: Diabetes or gestational diabetes. Low or negative may mean: Normal glucose tolerance. General information, not a diagnosis. Results must be interpreted by a qualified health worker.