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Glucose Challenge Screening Test?

What happens during a glucose challenge screening test, and what is it taken for?


What happens during a glucose challenge screening test, and what is it taken for?

The Bump Expert

The test, taken as part of the screening for gestational diabetes, will measure the levels of glucose (sugar) in your blood usually between the 24th and 28th week of pregnancy. However, if you’ve had gestational diabetes before, or seem to be at a higher risk genetically, your doctor may choose to run the test as early as the 13th week.

Don’t sweat it: The test is simple and (relatively) painless. When you take the test, your doctor will ask you to quickly drink a sample of Glucola (basically a sweetened drink) that contains 50g of glucose. Make sure you clear your schedule (and a path to the bathroom) the day of your appointment -- you’ll need to wait a full hour while your body absorbs the glucose before your doctor can take a sample of your blood. The results will show if your body has been responding to glucose positively or negatively.

If your results are positive, you'll need to have another screening -- the 100-gram oral glucose tolerance test. During this one you’ll be tested four times over a three-hour time span. (Make sure to pack some good reading material!) If two out of the four test results show abnormality, you will be clinically diagnosed with gestational diabetes and will need to discuss a health plan for the remainder of your pregnancy with your doctor.

Source: American College of Obstetrics and Gynecologists. Your pregnancy and birth. 4th ed. Washington, DC: ACOG; 2005

Plus, more from The Bump:

Prenatal Diet and Exercise for Diabetes

Your Guide to Prenatal Tests

Hate Going to the OB? How to Deal

The Bump Editors

Glucose Challenge Screening Test?

I just had the 1 hour glucose screening test. They told me to fast 2 hours before the test, but I fasted 10 hours overnight, because I needed other fasting labs drawn for insurance purposes. So when I drank the sugar drink, I was incredibly hungry. My blood sugar ended up being 136 (140 or lower is passing). Although, I hope I didn't mess anything up by being incredibly hungry (possibly starting with a low blood sugar before drinking the drink).

a2fox83 |

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