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Glucose Challenge Test

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GLUCOSE CHALLENGE TEST DEFINITION

A glucose challenge test is an exam that measures your body's reaction to sugar or glucose. This test is typically prescribed to pregnant women for the sake of screening for gestational diabetes (a type of diabetes that happens only during pregnancy). Most women who develop gestational diabetes deliver healthy babies regardless.

GLUCOSE CHALLENGE TEST PURPOSE

Detecting and diagnosing gestational diabetes is the primary purpose of having a glucose challenge test. It's typically done between the 24th and 28th week of pregnancy. However, it can be done earlier if you have a predisposition for gestational diabetes thanks to a multitude of factors, which includes a family history of getting the disease.

GLUCOSE CHALLENGE TEST RISKS

There are no risks associated with taking the glucose challenge test. Instead, it's the blood sugar level test afterwards that has risks associated with it.

GLUCOSE CHALLENGE TEST PREPARATION REQUIRED

You don't need to fast, undergo a special diet, stop drinking liquids an hour before the test, nor do any other sort of special preparation for the glucose challenge test. Just schedule an appointment and follow the doctor's instructions.

GLUCOSE CHALLENGE TEST PROCEDURE

This exam is done in two steps. The first step involves you drinking a sugary solution. There are about eight ounces or 237 milliliters of the syrupy glucose solution; in turn, it contains about 1.8 ounces or 50 grams of sugar. After an hour has passed, your blood sugar is then measured.

You will remain in the doctor's office or lab while waiting for your blood sugar level to be tested. The findings of the glucose challenge test will show whether or not you might have gestational diabetes. If you test positive for the disease, additional tests will be required to confirm the diagnosis.

GLUCOSE CHALLENGE TEST COMPLICATIONS

The glucose challenge test has no known complications linked to it. However, the blood sugar level test carries with it the rare complications of infection, excessive bleeding, fainting, and lightheadedness.

GLUCOSE CHALLENGE TEST SIDE EFFECTS

There are no side effects from undergoing a glucose challenge test. The blood sugar level test, on the other hand, may cause bruising and temporary pain.

GLUCOSE CHALLENGE TEST RESULTS

The glucose challenge test's results are usually provided in millimoles per litter (mmol/L) or milligrams per deciliter (mg/dL). A normal blood sugar level would be below 7.8 mmol/L or 140 mg/dL. A blood sugar level indicating gestational diabetes is above the aforementioned threshold. There are clinics that have a lower threshold of 7.2 mmol/L or 130 mg/dL.
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