Glucose Tolerance Test (GTT 3)

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Glucose Tolerance Test (GTT 3)

Reports in : 8hrs

Parameters : 3

Fasting : 10-12hrs

The Glucose Tolerance Test (GTT 3) is used to evaluate how your body processes glucose over time. It involves taking multiple blood samples—fasting and at 1 and 2 hours after consuming a glucose-rich drink. This test helps diagnose diabetes, prediabetes, and gestational diabetes.

Tests Included
  • Fasting blood glucose
  • 1-hour post-glucose blood glucose
  • 2-hour post-glucose blood glucose
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FAQ (Frequently Asked Questions)

It assesses how efficiently your body clears glucose from the bloodstream, identifying impaired glucose tolerance or diabetes.

It is commonly done to diagnose type 2 diabetes, gestational diabetes during pregnancy, or evaluate unexplained high blood sugar.

Yes, fasting for 8–12 hours is required before the initial blood draw. You will then be asked to drink a glucose solution, and additional samples will be taken at 1 and 2 hours.

Results are typically available within 8 hours.

Minimal risks include mild dizziness, nausea (from the glucose drink), or discomfort from multiple blood draws.

  • Elevated 1-hour and/or 2-hour levels may suggest prediabetes, diabetes, or gestational diabetes.
    Your doctor will interpret the results using standard glucose thresholds to determine your glycemic status.