Hemoglobin A1c, also called A1c or glycated hemoglobin, is hemoglobin with glucose attached. The A1c test evaluates the average amount of glucose in the blood over the last 2 to 3 months by measuring the percentage of glycated (glycosylated) hemoglobin.
Just added -- This test is used to monitor your blood sugar ( glucose ) levels; to evaluate changes and trends in your glucose levels over time. Read more .
New study suggests type 2 diabetics who are not treated with insulin should not routinely monitor their glucose levels.