My One Hour Glucose Tolerance Test Reading Was High

My One Hour Glucose Tolerance Test was High

Do I Have Gestational Diabetes?

Once you are suspected to have gestational diabetes, you will be subjected to an oral glucose tolerance test to determine whether or not you really have gestational diabetes. For most women who are going to undergo this test, this can be nerve-racking as they do not know what to expect. Hence, it is very important to educate yourself regarding the glucose tolerance test so that you know the preparation, the procedure, and the normal values for the test results. This will also prevent you from subjecting yourself to undue stress that might adversely affect your baby.

What is the one hour glucose tolerance test?

The oral glucose tolerance test, also known as the one-hour glucose challenge test, is administered between weeks 24 and 28 of your pregnancy. This test will initially determine whether or not you are at risk for developing gestational diabetes. The results of this test are not conclusive, for a high value is still subject to a confirmatory test, the three-hour glucose tolerance test. A high value in this test means that you indeed have gestational diabetes.

How do I prepare for the one hour glucose tolerance test?

For the one-hour glucose tolerance test, there is no preparation required. You can take it right there and then since no fasting is needed. However, if you are going to undergo the three-hour glucose tolerance test, you need to fast for 10 to 14 hours before the test. You should also refrain from drinking or eating anything during the three-hour duration of the test.

What happens in the one hour glucose tolerance test?

one hour glucose tolerance testIn the one-hour oral glucose tolerance test, you will be asked to drink a sugary beverage that contains 50 grams of glucose. After finishing the drink, your doctor will wait for one hour before testing your blood glucose levels. During this one hour, you cannot eat or drink anything. After one hour, your doctor will extract a blood sample from you and compare your values with that of the normal range. If your blood sugar level is less than 130 mg/dl, this means that you do not have gestational diabetes and you will not be subjected to any more tests. However, once the value exceeds 130 mg/dl, you might have gestational diabetes, but the doctor needs to make sure first. Hence, you will be subjected to the three-hour glucose tolerance test. This means that the results of the one-hour glucose tolerance test only determine the possibility of having gestational diabetes, but they do not establish the fact that you really have gestational diabetes.

Once you are subjected to the three-hour glucose tolerance test, your doctor will first draw a blood sample after your 14-hour fasting. Next, you will be asked to drink a sugary liquid containing 100 grams of glucose, then have your blood samples taken one, two, and three hours after finishing the drink. This means that your blood sample will be taken for a total of four times. The normal values for this test should be 95 mg/dl for your fasting blood sugar, 180 mg/dl after one hour, 155 mg/dl for two hours, and 140 mg/dl for three hours. Any two values exceeding this range confirm your condition of gestational diabetes.

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If you believe you will eventually be diagnosed with gestational diabetes due to your one hour glucose tolerance test then please consider buying my book on meal planning for gestational diabetes from the trusted source below Amazon…

About Mathea

Thanks for listening, I am a registered dietitian who had gestational diabetes and I want to help you find your way through this tough time. I have written several books and I have a book on Amazon about Gestational Diabetes Meal Plans.

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