What is a GTT (Glucose Tolerance Test – 2 Hours)?
The GTT (Glucose Tolerance Test – 2 Hours) is a specialized diagnostic procedure used to evaluate how efficiently your body clears sugar from the bloodstream. Unlike a standard blood sugar test, a GTT in Kolkata involves measuring your body's response to a specific "glucose challenge." It is considered the gold standard for diagnosing impaired glucose tolerance, Type 2 diabetes, and gestational diabetes in pregnant women, as it reveals how your system handles a surge in sugar levels over a controlled period.
The Importance of Glucose Tolerance Testing
Standard fasting tests sometimes miss early stages of metabolic issues. The GTT is critical for several clinical reasons:
- Early Detection: Identifies "Impaired Glucose Tolerance" (IGT) which may not be visible in a routine fasting blood sugar test.
- Gestational Diabetes Screening: Essential for pregnant women between 24-28 weeks to ensure the health of both mother and baby.
- Insulin Resistance Assessment: Helps doctors understand if the pancreas is producing enough insulin or if the body's cells are resisting it.
- Comprehensive Mapping: Provides a "curve" of how sugar levels rise and fall, offering a deeper insight into your metabolic health.
Serving Rajabazar and Bowbazar
We provide accurate and standardized glucose tolerance testing for residents in Rajabazar, Bowbazar, and the Sealdah vicinity. Our Sealdah hub follows strict WHO protocols for the 75g oral glucose challenge, utilizing NABL-certified processes to deliver reports that are vital for your endocrine management.
GTT 2-Hour Test Price in Kolkata
The price for a GTT (Glucose Tolerance Test – 2 Hours) is 220 at Apollo Diagnostics. The procedure requires an 8-12 hour overnight fast. Upon arrival, a fasting sample is taken, followed by the consumption of a glucose drink. A final blood sample is then collected exactly 2 hours later. During this period, you must remain seated and avoid physical exertion. If your 2-hour result is 200 mg/dL or higher, it typically indicates diabetes; levels between 140-199 mg/dL suggest prediabetes.
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