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Glucose Challenge Test (GCT - 1 step) - Gestational

The Glucose Challenge Test (GCT) is a screening procedure used to check for gestational diabetes, a type of diabetes that can develop during pregnancy. Gestational diabetes occurs when a woman's body cannot produce enough insulin to regulate the sugar levels in the blood, and it can have implications for both the health of the mother and the baby. The GCT is typically performed between the 24th and 28th week of pregnancy. It is a relatively simple test and is an important part of prenatal care.


  • Test NameGlucose Challenge Test (GCT - 1 step) - Gestational
  • Sample TypeBlood
  • Preparations RequiredNo fasting is required, but it is generally recommended to avoid consuming high-sugar or high-carbohydrate foods immediately before the test.
  • Report Time6 hours

Gestational diabetes can increase the risk of complications during pregnancy and delivery. Babies born to mothers with uncontrolled gestational diabetes are at a higher risk for jaundice, breathing problems, and other conditions. Mothers with gestational diabetes are more likely to develop type 2 diabetes later in life. Hence, early detection through the GCT is crucial for the management of the condition.

Home Sample Collection Process
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Sample Collection by Phlebotomist
Sample Collection by Phlebotomist
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Reporting of the sample at lab
Reporting of the sample at lab
4
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Frequently Asked Questions

For the GCT, you will be asked to drink a sweet liquid that contains glucose. After an hour, a blood sample will be taken to measure how your body is processing glucose. This is used to screen for gestational diabetes.

If the GCT indicates that you might have gestational diabetes, your doctor will guide you on the necessary steps for management, which can include dietary changes, exercise, and in some cases medication.

Gestational diabetes affects a significant number of pregnant women. Risk factors include a family history of diabetes, obesity, and age, as older women are more likely to develop gestational diabetes.

Gestational diabetes can lead to the baby growing too large, which can cause complications during delivery. It can also increase the risk of the baby developing diabetes and obesity later in life. For the mother, there's an increased risk of high blood pressure and type 2 diabetes.

Yes, you can eat before the test. However, it’s recommended to avoid high-sugar or high-carbohydrate foods as they might affect the test results.

If your blood sugar level is higher than normal, your doctor may recommend a follow-up test called a Glucose Tolerance Test (GTT) to confirm if you have gestational diabetes.

If you are diagnosed with gestational diabetes, it is important to follow your doctor's recommendations regarding diet, exercise, and monitoring your blood sugar levels.

The test is considered to be safe, though some women may feel nauseous after consuming the glucose drink. There can also be slight pain or bruising at the site of the blood draw.

While you can't change certain risk factors like family history, making healthy lifestyle choices such as eating a balanced diet, exercising regularly, and maintaining a healthy weight can help reduce your risk.

Normal values can vary, but generally, a blood sugar level below 140 mg/dL is considered normal. Levels above this may indicate gestational diabetes.

If your GCT results are abnormal, it's important to consult your obstetrician or a doctor specializing in diabetes for further evaluation and management.

Yes, factors such as what you eat, how much you exercise, stress, and how much sleep you get can affect blood glucose levels.

Gestational diabetes is specific to pregnancy and usually goes away after giving birth. However, it increases the risk of developing type 2 diabetes later in life. Type 1 and type 2 diabetes are chronic conditions that are not specific to pregnancy.

Being screened for gestational diabetes is an essential part of prenatal care. The Glucose Challenge Test is a simple and effective way to detect gestational diabetes early, allowing for proper management to ensure the health of both the mother and the baby. If you are pregnant, it’s important to discuss with your doctor about the GCT and understand how you can manage or mitigate the risks associated with gestational diabetes.

Glucose Challenge Test (GCT - 1 step) - Gestational
₹ 100
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