What can affect OGTT results?

The OGTT results can be affected by carbohydrate intake and duration of fasting preceding the test, the time of day the test is performed and carbohydrate intake or activity during the test. During the 3 days preceding the OGTT, 150 g of carbohydrate should be eaten (approximately ten 40 g slices of bread per day).

What questions should I ask about gestational diabetes?

What do I ask the doctor?

• What puts me at risk for gestational diabetes?
• What can I do to lower my risk?
• How will you test me for gestational diabetes?
• How could gestational diabetes affect my baby’s health?
• How could gestational diabetes affect my health?
• If I have gestational diabetes, what happens next?

What information does an OGTT provide?

Oral glucose tolerance tests (OGTT) are used to measure how well the body can process a larger amount of sugar. If the blood sugar measured in the test is above a certain level, this could be a sign that sugar is not being absorbed enough by the body’s cells.

What is the normal OGTT result?

The OGTT normal range for fasting results is between 100 – 125 mg/dL for prediabetes, 126 mg/dL or greater for diabetes and greater than 92 mg/dL for gestational diabetes.

How is 75g OGTT done?

You will be asked to drink a liquid that contains glucose (75 g). You will have blood drawn before you drink the liquid, and again 2 more times every 60 minutes after you drink it. Each time, your blood glucose level will be checked. Allow at least 2 hours for this test.

Can I drink water before OGTT test?

DO NOT eat or drink anything except WATER for at least 8 hours before the test. You may drink plain water ONLY. Do NOT drink coffee, tea, soda (regular or diet) or any other beverages. Do NOT smoke, chew gum (regular or sugar-free) or exercise.

What is the average blood sugar level for a pregnant woman?

Target Blood Sugar Levels for Women During Pregnancy Before a meal: 95 mg/dL or less. An hour after a meal: 140 mg/dL or less. Two hours after a meal: 120 mg/dL or less.

How do I prepare for OGTT?

For this test:

1. DO NOT eat or drink anything (other than sips of water) for 8 to 14 hours before your test.
2. You will be asked to drink a liquid that contains glucose, 100 grams (g) .
3. You will have blood drawn before you drink the liquid, and again 3 more times every 60 minutes after you drink it.

What is OGTT test during pregnancy?

Screening for gestational diabetes The screening test is called an oral glucose tolerance test (OGTT), which takes about 2 hours. It involves having a blood test in the morning, when you have not had any food or drink for 8 to 10 hours (though you can usually drink water, but check with the hospital if you’re unsure).