Question 1

Why is the OGTT Performed?

Accepted Answer

To screen for gestational diabetes which often has no symptoms. To protect the fetus from excessive birth weight (macrosomia). To reduce the risk of C-sections and maternal health complications.

Question 2

Preparation Requirements

Accepted Answer

Fast for at least 8 hours and no more than 12 hours. Only plain water is allowed during the fasting period. Inform the lab about any regular medications you are taking.

Question 3

Test Procedure Steps

Accepted Answer

Initial fasting blood sample is collected. Ingestion of a standardized glucose liquid solution. Subsequent blood draws at 1 and 2-hour intervals to monitor glucose processing.

Ensure Your Health and Your Baby's Safety with OGTT - Oral Glucose Tolerance Test (OGTT)