Full formMedical & Health
GTTstands forGlucose Tolerance Test
Full Form of GTT
What is GTT?
The Glucose Tolerance Test (GTT) is a diagnostic procedure used to evaluate how efficiently the body processes glucose, primarily for detecting diabetes mellitus, prediabetes, and gestational diabetes. In India, the GTT is widely employed in both clinical and public health settings, especially during pregnancy screening programs and routine health check-ups. The test involves measuring blood sugar levels at fasting state and then at intervals after consuming a standard glucose solution. It is often conducted in diagnostic labs, hospitals, and diabetes clinics across urban and rural India. The GTT holds significant relevance for competitive exams like NEET PG, AIIMS, and nursing entrance tests, where questions on its protocol, interpretation, and clinical implications frequently appear. Understanding the GTT is essential for medical students, healthcare professionals, and patients managing diabetes. The test's role in early detection of impaired glucose tolerance has made it a cornerstone of India's fight against the rising diabetes epidemic, particularly given the country's high prevalence of type 2 diabetes and gestational diabetes mellitus (GDM).
GTT का फुल फॉर्म
ग्लूकोज़ टॉलरेंस टेस्ट
Example
The obstetrician referred the pregnant patient for a GTT to rule out gestational diabetes at 24 weeks.
GTT — frequently asked questions
What is the full form of GTT?
The full form of GTT is Glucose Tolerance Test. It is a medical test used to diagnose diabetes and prediabetes by measuring how your body processes glucose over time.
How is a GTT performed in India?
A GTT is typically done after an overnight fast. Your blood sugar is measured, then you drink a sugary solution. Blood samples are taken at intervals (e.g., 1 hour, 2 hours) to see how your body handles the glucose. It is commonly done in pathology labs and hospitals across India.
What is the normal range for a GTT?
For a 2-hour GTT, a normal result is less than 140 mg/dL. Impaired glucose tolerance is between 140–199 mg/dL, and a reading of 200 mg/dL or higher indicates diabetes. These ranges are used by Indian laboratories following WHO criteria.