what does a1c measure
Asked by: CuriousCare
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Community Answer
Answered by Dr. HealthMetrics 🩺
The A1C test (also known as the hemoglobin A1C or HbA1c test) measures your average blood sugar levels over the past 2 to 3 months. Here’s how it works:
- Hemoglobin and Glucose: When sugar enters your bloodstream, it attaches to hemoglobin, a protein in your red blood cells.
- Glycated Hemoglobin: The A1C test measures the percentage of your red blood cells that have sugar-coated hemoglobin.
- Time Frame: Since red blood cells regenerate roughly every 3 months, the A1C test reflects your blood sugar levels over that period.
This test is used to:
- Diagnose prediabetes and diabetes.
- Monitor how well your diabetes is being managed.
For more details, visit the CDC's A1C Test page.