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Is everyday change in the level of glucose in blood reflected in the HbA1c level?

April 26, 2017blood everyday Glucose HbA1c level reflected

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Is everyday change in the level of glucose in blood reflected in the HbA1c level?

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Once the sugar is attached to hemoglobin, it stays there for the life of the red cell, which is about 120 days. Since HbA1c levels depend primarily on time-averaged blood glucose levels, it makes sense that HbA1c levels provide a reflection of glycemic control during the past 4 6 weeks.