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Search and find answers to frequently asked questions about FreeStyle Libre systems.

How do I wear the sensor on my upper arm? Can I wear it on my stomach?

The sensor is worn using a disposable device called an applicator. Once worn, a tiny (5 mm) sensing filament is inserted under the skin and secured with a thin adhesive tape. The sensation of wearing the sensor is similar to that of a finger prick for blood collection50.

The device is worn on the back of the upper arm, a clinically evaluated and approved site for the FreeStyle Libre 2 Plus sensor.
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