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A1C, and what a sensor adds
A1C is a blood test that reflects your average glucose over roughly the last two to three months.
- Day A: steady
- Day B: swings
- Average 150 · Same average
How to read it
- An average hides the swings: two people can share the same A1C and live very different days.
- A sensor shows the highs and lows, and when they happen.
- A sensor can also give a GMI, an estimate of A1C from sensor readings. It can differ from a lab result.
What it cannot tell you
They are two views of the same thing. Your care team decides which matters when.
In Uriya
Uriya shows your typical day from the sensor and your own range, next to the numbers you know.