Glucose Challenge Test In Pregnancy – What Is Glucose Challenge Test


The glucose challenge test is a prenatal test performed in pregnant women. 

This test is done to measure the sugar level in a pregnant woman’s body. 

To check for gestational diabetes during pregnancy, doctors recommend a glucose challenge test. 

Gestational diabetes is a type of diabetes that occurs only in pregnancy. 

When a pregnant woman’s body is unable to achieve high levels of insulin to cope with insulin resistance during pregnancy, she is at risk of gestational diabetes. 

How Is The Glucose Challenge Test Done? 

The glucose challenge test is performed in two stages. 

Firstly, a pregnant woman has to drink 75 grams of glucose. 

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Two hours later, the woman’s blood sample is taken. 

Then the woman’s blood sugar level is measured. 

The glucose challenge test results suggest that pregnant women may develop gestational diabetes. 

Only after seeing the results of the test does the doctor give any further advice. 

If the test results are above normal, the doctor may ask you to have another test done.

When Is The Glucose Challenge Test Done?

The glucose challenge test is a mandatory and universal screening test for all pregnant women. 

This test is usually done between 24th and 28th of pregnancy. 

However, if you are at a higher risk of gestational diabetes due to obesity, personal history of gestational diabetes, family history of diabetes, or other factors, your doctor may recommend you to have this test done even in the early days of pregnancy. 

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Abnormal test results at the beginning of pregnancy may indicate that you have pre-existing type 2 diabetes. 

The test is last performed in the 32nd-34th week of pregnancy.

Most women with gestational diabetes give birth to a healthy baby. 

although, If gestational diabetes is not treated properly, it can lead to many complications in pregnancy. 

Gestational diabetes increases the risk of C-section delivery and congenital malformations.