GLUCOSE TOLERANCE TEST (GTT),100G GLUCOSE (4 SAMPLES)

What this test checks

You drink a 100g glucose solution; blood sugar is checked fasting and at 1, 2, and 3 hours.

Why do people get this test?

Used to confirm gestational diabetes when screening tests are abnormal.

When you should consider this test

• Abnormal pregnancy diabetes screen
• Detailed gestational diabetes work-up
• Specialist requested

How to prepare

Fast 8-12 hours overnight. Plan to stay 3 hours.