What does prenatal glucose tolerance test check?

One of the things that pregnant mothers are most concerned about is going to the hospital for a health check-up. On the one hand, they can see whether the baby is growing happily in the belly, and on the other hand, they also hope to know the gender of the fetus as soon as possible. Many tests are necessary, but many expectant mothers worry that they know very little about the tests during pregnancy, which results in them not knowing what tests they should do during pregnancy. So, when should pregnancy glucose tolerance be tested? What does pregnancy glucose tolerance test test? Let's understand together:

What does the prenatal glucose tolerance test test?

After pregnancy, you need to do basic pre-pregnancy physical examinations. It is generally recommended to do a glucose tolerance test around 24-28 weeks after pregnancy. This test is mainly used to determine whether the expectant mother suffers from gestational diabetes. It is a blood test, and blood sugar is usually measured in an empty stomach. The pregnant women were then asked to drink 300 ml of liquid containing 75 grams of glucose within five minutes, and blood was drawn one and two hours later to measure their blood sugar levels.

During the inspection period, pregnant women are advised to sit still, avoid smoking and do not eat. If the blood sugar level, one-hour blood sugar level, and two-hour blood sugar level reach or exceed the standard value after the test, it indicates that there is gestational diabetes. At this time, you should check it out immediately, or take medication under the guidance of a doctor, and pay attention to follow-up visits.

When to test glucose tolerance during pregnancy

Glucose tolerance:

Doctors will generally recommend a glucose tolerance test for high-risk women. Some hospitals directly use glucose tolerance test as a method for screening pregnant women for diabetes.

The following conditions require a glucose tolerance test

1. If the sugar screening result is that the blood sugar index is ≥7.8mmol, it means that the sugar screening is abnormal.

2. Older pregnant women; women with high blood pressure or who are overweight.

3. Women whose parents or siblings have to take insulin glargine injections due to diabetes.

1. Three days before the experiment, the carbohydrate intake (rice and pasta) should not be less than 150 grams. If you intentionally reduce the amount of regular meals, the test results will be inaccurate and may lead to an incorrect diagnosis.

2. Normal physical activity is required 3 days before the experiment, and intense physical competition is strictly prohibited.

3. When doing a glucose tolerance test, pregnant mothers must fast for 8-14 hours to truly reflect their blood sugar levels.

4. You are not allowed to smoke, drink water or eat during the experiment. You can walk around a bit but there is no need to be nervous or anxious.

5. If the pregnant mother develops symptoms such as pale complexion, nausea, vomiting, or fainting during the test period, the experiment should be terminated.

Glucose tolerance is a very important prenatal examination item during pregnancy. Glucose tolerance test is used to screen women for diabetes during pregnancy. The purpose is to test the blood sugar index of expectant mothers and eliminate gestational diabetes.

Many pregnant mothers have misunderstandings about blood sugar levels. They think that as long as they don’t eat or eat less sweets before the test, they can pass the glucose tolerance test. In fact, this is not the case! There are various reasons for high blood sugar in pregnant women. There are many reasons that lead to high blood sugar in pregnant women, and not all of them are caused by "eating too much sweets."