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Glucose Challenge Test Purpose and Importance of Blood Sample Collection


The Glucose Challenge test (GCT) is a part prenatal test often performed during pregnancy to check for gestational Diabetes, Gestational Diabetes is a type of Diabetes that is developed during pregnancy and can affect both mother and baby. This test is usually performed between the 27-28th week of pregnancy to assess the risk and if comes positive then further diagnosis and test are referred as per the doctor’s consultation, Choose the Ganesh Diagnostic Centre for a GCT test as we also provide free home blood sample collection and have NABL certification, so book your appointment and get tested with the best diagnostic centre.

Purpose of the GCT Test:

  • Detection of Gestational Diabetes: Detection of gestational diabetes can be done during pregnancy, It is a type of diabetes that can develop during pregnancy and, if left untreated may lead to risks to both mother and baby.
  • Risk Analysis: It helps in the risk assessment by checking for factors such as age, family history, and pre-pregnancy weight that can increase your risk of gestational diabetes. 
  • Early diagnosis: If tested positive through early diagnosis your healthcare provider may suggest you manage this condition through diet, exercise, and medication, the disease can be controlled significantly. 
  • Healthy Pregnancy and Baby: By checking for gestational diabetes one may assess the health risks of the mother and baby during pregnancy. High blood sugar levels can cause complications like high birth weight, preterm birth, and caesarean delivery if uncontrolled.

Symptoms That Calls for GCT Test:

  • ExtremeThirst (Polydipsia): you may feel more thirsty and your daily water intake increases than normal
  • Frequent Urination (Polyuria): Excessive thirst can lead to frequent urination due to increased water intake
  • Increased Hunger (Polyphagia): Due to improper appetite or change in eating habits the urge to eat more increases which could indicate gestational diabetes.
  • Blurred Vision: This is due to the high blood sugar level that affects the eye lens leading to blurred vision during pregnancy.
  • Unexplained Weight Loss: Due to improper appetite some women feel the loss of weight during pregnancy which may be a sign of gestational diabetes.

Importance of Blood Sample Collection for GCT Test

Blood sample collection for tests is one of the most convenient and easiest ways to test for many diseases related to blood Its Importance is:

  • Level of blood sugar if high can be diagnosed in the early phase
  • Can assess the overall health of a baby  like growth, Development etc
  • Blood samples collected can be tested if there is a risk of gestational diabetes in future
  •  Assess the body’s ability to regulate sugar levels through immediate testing

Parameters to Choose the Best Lab for the GCT Test

To choose the best diagnostic centre one must have to see the following parameters before going for a test.

  • Reputation must see the reputation as well as the experience by checking the Google reviews and verifying with people who have been tested from that centre.
  • Experienced staff the staff experience and how well they can handle their patient under pressure and assist them under different challenging conditions
  • Availability and response- You can check the staff availability as well as the response time so that a patient gets tested and diagnosed for any disease early.

How Can You Choose the Best Pathology Lab for the GCT Test

The best pathology lab should provide the facility for home blood sample collection so GCT tests can be done anywhere, GCT tests are essential as they help in determining the risk of gestational diabetes that arise due to abnormal blood sugar levels in baby Ganesh Diagnostic the best pathology lab quickly collects and tests the sample with 100% accuracy for diagnosis and helps the patient to get the best treatment for their speedy recovery


GCT test helps millions of patients get tested for gestational diabetes which requires immediate diagnosis and help in providing the best and right treatment to both mother and baby if tested positive choose the best diagnostic centre as per your need and comfort that provides better facility and services to the patient.

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