The A1C test measures a person’s average blood glucose or blood sugar levels over the past 3 months. An A1C reading of over 5.6% may be a cause for concern, but this will depend on various factors.

HbA1c is different than that daily blood glucose measurement in the following way: HbA1c measures the average amount of sugar in the blood for 2-3 months, giving a much broader view of the level ...

The A1C test, also known as an HbA1C, hemoglobin A1C, glycated hemoglobin, or glycosylated hemoglobin test, is a blood test used to diagnose and monitor diabetes. It shows your average blood sugar ...

Read on to learn more about blood glucose levels by age with a chart offering glucose level ... the ADA and others often rely on the 3-month average test known as the hemoglobin A1C.