Glycated hemoglobin or glycosylated hemoglobin (HbA1c) is formed because of reaction of hemoglobin with blood glucose. The test helps to identify the average concentration of glucose in your blood over prolonged periods of time (like the past 2-3 months). In people with diabetes if the blood sugar is not well controlled the level of glycated hemoglobin or HbA1c in blood increases.
HbA1c of 6% approximately corresponds to blood glucose concentration of 135 mg/dl. The mean plasma glucose increases by 35 mg/dl for rise of A1C by 1%.
Dr Poonam Sachdeva, our in-house medical expert talks about the why what and how in diabetes.
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