What amount of time is covered by an HBA1C haemoglobin blood sugar test thingy?!
Question:
What amount of time is covered by an HBA1C haemoglobin blood sugar test thingy?
Answers:
Doc j has it almost right.
Yes, red blood cells live for an AVERAGE of 120 days, but they aren't all replaced at one time. So the red blood cells you have at any one time are mostly younger than that. Therefore, the HbA1c is more weighted on the last 3-4 weeks than the whole 120 days.