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75 Grams Glucose Tolerance Test (Short GTT)

Rs. 450

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  • WHAT DO YOU NEED TO PROVIDE? This test will be performed on a blood sample.
  • WHO IS THE TEST CONDUCTED ON? Females.
  • IS THERE ANY PREPARATION REQUIRED? Fasting of 8-12 hours required

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  • Overview:

What is this test?

  • This laboratory test is performed to determine the body’s reaction to glucose. It is helpful in detecting gestational diabetes.  Gestational diabetes is high blood sugar during pregnancy, it is more common in the second and third trimester.

 

Why is this test performed?

  • This test is performed to screen and diagnose gestational diabetes by determining the body’s reaction to glucose intake. Most women with gestational diabetes deliver healthy babies but there is a high risk of developing diabetes type-II and obesity in the baby later in life if the gestational diabetes is not adequately controlled. There is also a chance of stillbirth with severe uncontrolled gestational diabetes.

WHAT DOES THE TEST MEASURES?

Glucose tolerance test also known as GTT measures how well the body’s cells can absorb glucose in a pregnant woman after consuming a specific amount of sugar.

In diabetes blood sugar levels are consistently high, over time high glucose levels can damage the body and can lead to many other problems. The glucose tolerance test is done during pregnancy to screen for gestational diabetes that develops during pregnancy.

  • The patient is required to fast overnight (8-12 hours) before the collection of first blood sample for fasting blood glucose levels
  • A 75gm sugar syrup is provided to the patient to drink within 5 minutes
  • Another blood samples are collected to measure the blood glucose levels after 1 and 2 hours
  • The samples are sent to the laboratory for analysis.

 

  1. What is the taste of glucose syrup?

The glucose syrup typically tastes like a very sweet soda.

 

  1. Can I drink water during the test?

Yes, you can take small sips of water during the test.

  1. What are the risk factors for gestational diabetes?
  • Obesity
  • PCOS
  • History of gestational diabetes
  • Lack of physical activity
  • Family history of gestational diabetes.

 

  1. What are the risks of this test?

Collecting blood from a vein is a very easy procedure and pose only minimum risk, including:

  • Bruising
  • Bleeding
  • Infection

 

  1. What are the symptoms of high blood sugar?
  • Increased thirst
  • Frequent urination
  • Blurring of vision
  • Fatigue
  • Weakness

Normal fasting: Less than 95 mg/dL

Normal 1-hour: Less than 180 mg/dL

Normal 2-hour: Less than 155 mg/dL

 

  • Interpretation of test results:
  • Higher than the normal levels indicate gestational diabetes
  • You should get tested:
  • If you are pregnant
  • If you are at high risk of gestational diabetes
  • If you had gestational diabetes with your previous pregnancy
  • If you have family history of gestational diabetes.
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