How does a FreeStyle Libre 14 day system continuous glucose monitor
https://www.support.freestyle.abbott/hc/en-us/articles/14808464211863-How-does-a-FreeStyle-Libre-14-day-system-continuous-glucose-monitor-work-What-is-a-continuous-glucose-monitor-CGM
WEBThe FreeStyle Libre 14 day system consists of a handheld reader and a sensor worn on the back of the upper arm. The sensor uses a thin, flexible filament inserted just under the skin to measure glucose every minute. Its handheld reader scans the sensor with a painless ‡, one-second scan to replace fingersticks *† .
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