What is HbA1C test and why is it done on diabetics regularly? Written by Dr harold Gunatillake-FRCS, FIACS (US), FICS (US), MBBS (Cey), AM (Sing).-Health writer When you do a finger prick blood test on a strip inserted into your glucometer, you are assessing the blood sugar level at that moment. Most diabetics do a fasting level in the morning before breakfast and the reading is of no significance for the control of blood sugar. It is a very reliable test to diagnose diabetes and prediabetes. Beyond that the test is of no significance. An A1C test measures how well the body is maintaining blood glucose levels for the past three months which is the most important test to assess the control of your diabetes. ...

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