Types of Gestational Diabetes Testing Procedures

By on July 19, 2013

Gestational diabetes is known as the carbohydrate intolerance, which begins or may first recognize during the pregnancy.

This condition can be associated with the increased neonatal, fetal, and maternal risks.

Probably gestational diabetes cases are increasing in the United States due to increased rates of obesity and overweight.

This happens only in the pregnancy period. If you are pregnant women and have excessive body weight, have had the gestational diabetes previously, then you should get gestational diabetes testing. Here are few helpful guidelines to get gestational diabetes testing.

When to get gestational diabetes testing:

Gestational Diabetes TestingIf you are overweight: If your BMI is more than 30 before pregnancy or if you have a father, mother, child or sibling who have diabetes, then you should get this test at your prenatal visit.

In case you are average risk of this: Every woman should get normal gestational diabetes testing sometime during their second semester that is in between 24 and 28 weeks of their pregnancy.

Different types of gestational diabetes testing procedures:

Polycose Testing or Screening of glucose levels in pregnancy:

This test is usually performed in the hospital or laboratory. Your physician will provide a liquid to drink, which contain 50 mg of polycose (it is one type of sugar). After an hour a blood sample would be taken to test your sugar levels in blood.

If it shows the sugar levels higher than the 7.8mol/ml, then you could be requested to get the Glucose Tolerance Test (GTT). However this screening test has false positive rates. 15 to 20% of women who got this test result as positive, among those only 2-5% will have this type of diabetes.

Glucose Positive Test:

This gestational diabetes testing can be done in the medical laboratory and generally it is recommended if you got positive result from polycose test. You should get this test with empty stomach.


A blood sample will be taken in the morning to measure your fasting blood glucose levels after that you have to drink a liquid that contain 75mf glucose. After 2 hours another blood sample will be taken. By comparing those 2 test results your physician will conclude your test results.

In case your first blood sample shows the blood sugar level more than 55mmol/l and next was more than 9mml/l, then you will be diagnosed as having the gestational diabetes.

If you are diagnosed with this condition then you will be recommended to reduce the intake of sugars and follow specific meal planning. In rare conditions, you may need insulin injections.

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