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Sanofi Canada

2905 Place Louis-R.-Renaud
Laval, Quebec, H7V 0A3

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What is A1C and Why is it Important?

The A1C is a laboratory blood test.


People with diabetes test their blood glucose with a blood glucose monitor. Your diabetes educators can teach you how, why and when to test your blood glucose. These blood glucose tests give you immediate results.

The A1C blood test shows what a person's average blood glucose level was for the 2 to 3 months before the test. Red blood cells are made of a molecule - hemoglobin - that picks up oxygen in the blood and that gives the blood its colour. Blood glucose sticks on to the hemoglobin red blood cell to make it a "glycosylated hemoglobin" molecule called hemoglobin A1C. The results of your A1C test can tell you and your healthcare team how well your diabetes was controlled over the last 2-3 months. The Canadian Diabetes Association Guidelines recommend that most people with diabetes have an A1C level of less than 7%. These recommendations should be individualized by the healthcare professional based on age, duration of diabetes, risk of severe hypoglycemia, presence or absence of cardiovascular disease, and life expectancy of each person. Ask your healthcare team what your A1C number is.

This A1C blood test should be repeated every 3 months or as necessary.