what are glucose tests for?
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A blood glucose test is used to find out if your blood sugar levels are in the healthy range. It is often used to help diagnose and monitor diabetes.
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The one hour oral glucose challenge test [GCT] is a screening test for gestational diabetes that measures plasma or serum glucose concentration 1 hour after a 50-g oral glucose load.
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Glucose tolerance tests are also used to diagnose diabetes. The OGTT is used to screen for or diagnose diabetes in people with a fasting blood glucose level that is high, but is not high enough (above 125 mg/dL or 7 mmol/L) to meet the diagnosis for diabetes.
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Fasting blood sugar (FBS) measures blood glucose after you have not eaten for at least 8 hours. It is often the first test done to check for prediabetes and diabetes.
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You don't need to fast before all blood tests. Your doctor will tell you if you need to. These tests typically require fasting: Fasting blood glucose measures the amount of glucose (sugar) in your blood to test for diabetes or prediabetes.
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The glucose challenge test measures your body's response to sugar (glucose). The glucose challenge test is done during pregnancy to screen for gestational diabetes — diabetes that develops during pregnancy.
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You should not eat for eight hours before having your blood glucose measured to check for diabetes or to see how well treatments are working. An alternative test for glucose level that does not require fasting measures a substance called hemoglobin A1c, which reflects average blood sugar over the previous three months.
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The glucose challenge test is done during pregnancy to screen for gestational diabetes — diabetes that develops during pregnancy. The glucose challenge test is done in two steps. First you drink a sugary solution. One hour later, your blood sugar level is measured.
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Glucose screening is usually done between 24 and 28 weeks of pregnancy. For this test, you'll be given a syrupy (and a little unpleasant) orange glucose solution to drink.
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A blood glucose test measures the amount of a type of sugar, called glucose, in your blood. Results are often ready in 1 to 2 hours.
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Common fasting blood tests a fasting blood glucose test (used to test for diabetes) – you fast for 8 to 10 hours before the test.
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Glucose tolerance test - non-pregnant. The glucose tolerance test is a lab test to check how your body moves sugar from the blood into tissues like muscle and fat. The test is often used to diagnose diabetes.
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A random blood sugar test is the testing of the blood sugar level at any time or random time of the day. It is a test performed outside the regular testing schedule. RBS test is performed to confirm diabetes mellitus, during the treatment and after the treatment of diabetes mellitus.
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A postprandial glucose test / plbs test is a blood glucose test that determines the amount of a type of sugar, called glucose, in the blood after a meal. Glucose comes from carbohydrate foods. It is the main source of energy used by the body.
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Share on Pinterest A random glucose test measures the amount of glucose or sugar in a person's blood. Random glucose testing measures the levels of glucose in the blood at any given point in the day. Many blood tests for diabetes involve either fasting or continuous monitoring, but this test does not.
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Doctors use blood tests to diagnose gestational diabetes. You may have the glucose challenge test, the oral glucose tolerance test, or both. These tests show how well your body uses glucose. You will have one or more blood tests to check for gestational diabetes.