Glucose Tolerance Test (GTT)
Evaluates your body's ability to metabolize glucose and diagnose diabetes or gestational diabetes.
What is a Glucose Tolerance Test (GTT)?
A Glucose Tolerance Test (GTT) is a diagnostic test used to evaluate how efficiently your body processes glucose. It involves fasting, consuming a glucose-rich drink, and then taking several blood samples at set intervals to measure blood sugar levels.
Why is a Glucose Tolerance Test Done?
This test is performed to:
- Diagnose Diabetes: Identify abnormal glucose metabolism indicative of diabetes or prediabetes.
- Detect Gestational Diabetes: Assess how a pregnant woman’s body manages glucose.
- Evaluate Metabolic Health: Provide insight into your overall sugar metabolism and insulin sensitivity.
What to Expect
- Preparation: Fast for 8-12 hours before the test.
- Procedure: A baseline blood sample is taken, then you drink a glucose solution, followed by additional blood samples at regular intervals.
- Results: Test results are typically available within 24-48 hours.
Understanding Your Results
Your doctor will analyze your blood sugar levels over the test period to determine if your body effectively processes glucose. Elevated levels may indicate diabetes or prediabetes, while normal levels suggest healthy glucose metabolism. This information is crucial for planning further treatment or lifestyle modifications.
The Glucose Tolerance Test is an essential tool for diagnosing and managing diabetes, ensuring timely intervention and better overall metabolic health.
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Description
A GTT measures blood sugar levels before and after consuming a glucose drink to assess glucose metabolism and detect abnormalities.
Preparation
Fast for 8-12 hours before the test.
Turnaround Time
Results typically available within 24-48 hours.