diabetic clinics near me Why is hba1c used in the Diagnosis of diabetes BY measuring glycated haemoglobin clinicians are able to get an overall picture of what our average blood sugar levels have been over a period of weeks /months .as the higher the hba1c , the greater the risk of developing diabetes related complaints the testing hba1c is attractive as if measures chronic glycemia rather than instantaneous blood glucose consult our experts at samiksha heart and diabetic care