Medically reviewed by Alana Biggers, M. What is the test? What to expect During pregnancy Risks and side effects Other diabetes tests Takeaway The glucose tolerance test is a blood test for diagnosing diabetes mellitus, also known as diabetes. Share on Pinterest The glucose tolerance test can help diagnose diabetes. What to expect. Glucose tolerance during pregnancy. Share on Pinterest Women may need to self-monitor blood sugar levels during pregnancy.
Share on Pinterest Whether diabetes occurs during pregnancy or not, a healthful, low-sugar diet is essential. Risks and side effects. Other diabetes tests. Diabetes Type 1 Type 2. Adolescent depression: Could school screening help?
Related Coverage. What is hyperglycemia? Symptoms, treatments, causes, and all else you need to know Hyperglycemia is a term for high blood sugar levels.
What are the ideal blood glucose levels? Medically reviewed by Debra Sullivan, Ph. How does diabetes develop? For either the two-step test or one-step test, eat your normal food in the days before your test. Ask your health care provider if any of the medicines you take can affect your test results.
Most women do not have side effects from the glucose tolerance test. Drinking the glucose solution is similar to drinking a very sweet soda. Some women may feel nauseated, sweaty, or lightheaded after they drink the glucose solution. Serious side effects from this test are very uncommon. This test checks for gestational diabetes. Most pregnant women have a glucose screening test between 24 and 28 weeks of pregnancy. The test may be done earlier if you have a high glucose level in your urine during your routine prenatal visits, or if you have a high risk for diabetes.
Women who have a low risk for diabetes may not have the screening test. To be low-risk, all of these statements must be true:. A normal result means you do not have gestational diabetes. These are two ways to indicate how much glucose is in the blood. This test will show if you have gestational diabetes. Most women about 2 out of 3 who take this test do not have gestational diabetes. If your glucose level is lower than the abnormal results described below, you do not have gestational diabetes.
If only one of your blood glucose results in the oral glucose tolerance test is higher than normal, your provider may simply suggest you change some of the foods you eat. If two or more of the results are higher than normal, you'll be diagnosed with gestational diabetes. If you're diagnosed with gestational diabetes, you can prevent complications by carefully managing your blood glucose level throughout the rest of your pregnancy.
Explore Mayo Clinic studies of tests and procedures to help prevent, detect, treat or manage conditions. Mayo Clinic does not endorse companies or products.
Advertising revenue supports our not-for-profit mission. This content does not have an English version. This content does not have an Arabic version. Sections for Glucose tolerance test About. Overview The glucose tolerance test, also known as the oral glucose tolerance test, measures your body's response to sugar glucose. Request an Appointment at Mayo Clinic.
Share on: Facebook Twitter. Show references Glucose tests. No food or fluids such as tea, coffee or fruit juice. You may have sips of water if you are thirsty. Due to the nature of the test, testing is generally done in the morning. Maintain normal activity prior to the test. Bring a list of any current medications with you to the collection centre.
Avoid smoking for one hour before and during test.
0コメント