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Description
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A Glucose Tolerance Test (GTT) is a diagnostic blood test specifically done to identify gestational diabetes, a condition that can arise during pregnancy. GTT test assesses the body's ability to regulate blood glucose (sugar) within the normal range.
Overview of the test
A glucose tolerance test (GTT) is a medical procedure that assesses a pregnant w
A Glucose Tolerance Test (GTT) is a diagnostic blood test specifically done to identify gestational diabetes, a condition that can arise during pregnancy. GTT test assesses the body's ability to regulate blood glucose (sugar) within the normal range.
A glucose tolerance test (GTT) is a medical procedure that assesses a pregnant woman's ability to utilise and store glucose in a normal manner. It is commonly done to diagnose conditions like diabetes mellitus, insulin resistance, impaired pancreatic beta cell function, as well as rarer disorders related to carbohydrate metabolism. The test primarily involves an oral glucose tolerance test (OGTT), wherein a predefined amount of glucose is consumed orally, and blood sugar levels are subsequently measured after a two-hour period. Over the years, multiple iterations of the glucose tolerance test (GTT) have been developed, each tailored for specific purposes. These variations involve different standardised amounts of glucose, various time intervals for sample collection, and the measurement of additional substances alongside blood glucose.
....Read MoreIncludes Glucose Tolerance Test - (GTT 2 specimens) after 75gm & 1 other tests
The Glucose Tolerance Test (GTT 2 specimens) after 75gm Test Normal Range is:
| GTT (2 Specimen): | Sample | Glucose Test | Normal Range |
| Plasma | Glucose (Fasting) | 74 – 99 mg/dL | |
| Glucose (2 hrs) after 75 g | 100 – 139 mg/dL | ||
| Impaired Fasting Glucose | |||
| Fasting P. Glucose | 100 – 125 mg/dL | ||
| P.Glucose after 2 hrs | 100 – 139 mg/dL | ||
| Impaired Glucose Tolerance | |||
| Fasting P.Glucose | 74 – 99 mg/dL | ||
| P.Glucose after 2 hrs | 140 – 199 mg/dL | ||
| Diabetes | |||
| Fasting P.Glucose | ≥ 126 mg/dL | ||
| P.Glucose after 2 hrs | ≥ 200 mg/dL | ||
It's a diagnostic procedure that measures how your body processes glucose or sugar. This test is usually recommended for individuals who are at risk of developing diabetes or those who have already been diagnosed with gestational diabetes during pregnancy.
It is recommended to avoid drinking anything other than the glucose solution provided for the test. The purpose of the GTT is to measure how your body processes sugar. Drinking water or any other fluids during the test could dilute the glucose solution and affect the accuracy of the results.
An abnormal GTT level in pregnancy refers to higher than normal blood glucose levels detected during the test. The specific cutoff values for abnormal results can vary slightly depending on the healthcare provider and the laboratory conducting the test.
In general, most individuals will only need to have the GTT done once as part of their diagnostic process or screening for conditions such as diabetes or gestational diabetes. However, there are cases where multiple GTT tests may be necessary.
A positive 2-hour GTT refers to a result that falls outside the normal range during the second blood test taken two hours after consuming the glucose solution. If your blood sugar levels are higher than they should be at this point, it could indicate gestational diabetes or impaired glucose tolerance.
A Glucose Tolerance Test (GTT) is a diagnostic blood test specifically done to identify gestational diabetes, a condition that can arise during pregnancy. GTT test assesses the body's ability to regulate blood glucose (sugar) within the normal range.
A glucose tolerance test (GTT) is a medical procedure that assesses a pregnant woman's ability to utilise and store glucose in a normal manner. It is commonly done to diagnose conditions like diabetes mellitus, insulin resistance, impaired pancreatic beta cell function, as well as rarer disorders related to carbohydrate metabolism. The test primarily involves an oral glucose tolerance test (OGTT), wherein a predefined amount of glucose is consumed orally, and blood sugar levels are subsequently measured after a two-hour period. Over the years, multiple iterations of the glucose tolerance test (GTT) have been developed, each tailored for specific purposes. These variations involve different standardised amounts of glucose, various time intervals for sample collection, and the measurement of additional substances alongside blood glucose.
The normal range of a 3-hour 100-gram (GTT) Glucose Tolerance Test is:
The normal range of a 2-hour 75-gram Glucose Tolerance Test is:
If the pregnant woman has a single blood glucose result that is higher than normal during the oral glucose tolerance test, then the healthcare provider may advise her to make dietary changes. If the range is higher than normal in multiple blood glucose results, it may indicate that the person has gestational diabetes.
Most pregnant women get a glucose tolerance test between 24 and 28 weeks of pregnancy. High glucose levels in the urine during standard prenatal checkups, or a high risk for diabetes, may prompt an early screening. Before the test, 8 to 10 hours of overnight fasting is necessary. The glucose tolerance test often has no negative effects on women. It's like having a very sweet soda when you drink the glucose solution. After consuming the glucose solution, some women may experience feelings of sickness, sweating, or dizziness. Adverse reactions of this test are quite unusual.
When searching for a 'glucose tolerance test near me', choose an authorised diagnostic centre like Max Lab to get the accurate results of the test. From the website of Max Lab, it is very easy to check the price of (GTT) glucose tolerance test and book it online. The facility of at-home sample collection for glucose tolerance test is also available for the convenience of the customers. The test reports for the GTT test can also be downloaded as and when they are available from the website. Even if the GTT test results are normal, it is advisable to consult the doctor for effective diagnosis and treatment.
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