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Gestational Diabetes Screening (Glucose Tolerance Test)
Glucose Tolerance Test (GTT)
This is the longer follow-up test used to confirm gestational diabetes after having a positive O’Sullivan test.
Sample Type
Blood
Preparation
- Fasting 10 to 12 hours requires. No food intake 10 to 12 hours before test. Stay hydrated during fasting by drinking plain water only.
Turnaround Time
Same day
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