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.

Blood glucose levels vary, depending on a person’s health status and whether they have eaten. People without diabetes typically have between 72–140 milligrams of glucose per 1 deciliter of blood.

A1C levels refer to the amount of hemoglobin in your blood that has glucose attached to it, which can be useful for monitoring blood sugar levels over time. Managing your blood sugars is a key part of ...

If you have diabetes or prediabetes, regularly monitoring your A1C blood sugar level is important for managing your condition and maintaining optimum health. A1C monitoring can also be used to ...