How many weeks of pregnancy should I do glucose tolerance test

Although we now have a certain understanding of prenatal check-ups during pregnancy, we are still confused about what exactly is included and when to go for the check-ups during pregnancy. For example, many pregnant women do not know when to do glucose tolerance screening during pregnancy. So at what week should pregnant women do glucose tolerance screening?

At what week of pregnancy should the glucose tolerance screening be performed?

Between 24 and 28 weeks. Pregnant women with normal glucose screening results do not need to undergo glucose tolerance test. However, for pregnant women with positive glucose screening results, a glucose tolerance test should be conducted to diagnose whether it is gestational diabetes. Diabetes during pregnancy can have a negative impact on the baby, so it is very necessary to do a glucose tolerance test.

Poor effects of high blood sugar in pregnant women

1. Diabetes during pregnancy can increase the mortality rate of the fetus.

Scientific research believes that the increase in fetal mortality is mainly related to the increase in blood sugar levels in pregnant women. If pregnant women with diabetes can strictly control their blood sugar and improve fetal monitoring in the late stages of pregnancy, the fetal mortality rate can be reduced.

2. Diabetes during pregnancy can cause a giant fetus.

Gestational diabetes often occurs in the middle and late stages of pregnancy, when the fetus's organs have already formed. Therefore, the main impact on the fetus is that it can cause excessive growth and development, leading to a large fetus.

3. Diabetes during pregnancy can cause fetal malformations.

Babies born to women with diabetes during pregnancy are very likely to have malformations of the central nervous system and endocrine system, such as spina bifida, hydrocephalus, congenital anal atresia, etc.

4. Diabetes during pregnancy can cause neonatal jaundice.

When a pregnant woman develops diabetes, it can cause the fetus to suffer from intrauterine hypoxia and increase the level of hemopoietin in the fetus' body, causing polycythemia. Newborns with polycythemia are prone to neonatal jaundice because many of their blood cells are destroyed.

5. Diabetes during pregnancy can cause respiratory distress syndrome in newborns.

Babies born to women with diabetes during pregnancy are six times more likely to develop respiratory distress syndrome than babies born to women without diabetes. The occurrence of this syndrome is closely related to the inability of pregnant diabetics to control blood sugar well, resulting in high blood sugar in the fetus.