Glucose Challenge Test

The glucose challenge test, also called the one-hour glucose tolerance test, measures your body's response to sugar (glucose). The glucose challenge test is done during pregnancy to screen for gestational diabetes — diabetes that develops during pregnancy.

What is the method of glucose challenge test?

Glucose challenge test

The test can be done at any time of the day. It involves drinking a glass of concentrated glucose solution (50 g of glucose dissolved in 250 to 300 ml of water). After one hour has passed, a blood sample is taken to determine the blood sugar level.