HbA1c, or glycated hemoglobin, is a blood test that reflects the average blood glucose (sugar) levels over the past 2 to 3 months. It measures the percentage of hemoglobin, a protein in red blood cells, that is coated with glucose.
Importance of HbA1c:
Monitoring diabetes: It helps diagnose and monitor diabetes management.
Predicting complications: High levels are associated with an increased risk of diabetes-related complications like cardiovascular disease, kidney disease, and neuropathy.
HbA1c and Diabetes: What You Need to Know: A Guide to Long-Term Blood Sugar Control.
Normal and Abnormal HbA1c Levels:
Normal: Less than 5.7%
Prediabetes: 5.7% to 6.4%
Diabetes: 6.5% or higher (on two separate tests)
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