Service Providers for Glucose Tolerance Test 2.5 hrs
A 2.5-hour Glucose Tolerance Test (GTT) assesses how your body processes glucose over a 2.5-hour period, often for diagnosing diabetes or gestational diabetes. Preparation involves fasting for 8-12 hours beforehand. A fasting blood sample is taken, then you drink a glucose solution with a specified amount of sugar. Blood samples are collected at regular intervals—starting at fasting and continuing through the 2.5-hour duration—to track glucose levels. The test is generally safe, but nausea, dizziness, or fatigue may occur. Results showing elevated glucose levels at specific time points may indicate impaired glucose tolerance or diabetes. Factors like illness or medication can impact the accuracy of the test.