GTT – Glucose Tolerance Test
Purpose:
Checks how your body handles glucose (sugar) over time. Used to diagnose diabetes or prediabetes, and commonly used in gestational diabetes (pregnancy).
Procedure:
Fasting blood sugar is measured
Patient drinks glucose solution
Blood sugar levels tested at intervals (usually at 1 and 2 hours)
Normal Results:
Who needs this test
People with symptoms of diabetes (excessive thirst, frequent urination, fatigue), People with risk factors (family history, obesity, high blood pressure, PCOS, etc.), Pregnant women (screening for gestational diabetes between 24–28 weeks).
What is a Glucose Tolerance Test (GTT)?
A GTT is a blood test that measures how your body processes glucose (sugar). It helps diagnose diabetes, prediabetes, and sometimes gestational diabetes during pregnancy.
Why is the GTT done?
It is done to:
1.Detect diabetes or prediabetes
2.Check how well the body regulates blood sugar
3.Screen pregnant women for gestational diabetes
How should I prepare for the test?
1.Fast for 8–12 hours before the test (only water allowed)
2.Avoid smoking, alcohol, and heavy exercise before the test
3.Inform your doctor about any medications you take
