A small number of sensors that read blood sugar levels continuously may give incorrect info. Here's how to check your FreeStyle Libre 3 for a replacement.

The company also made the sensor easier to apply than previous versions: The FreeStyle Libre 3 can be placed on the back of the arm using just a one-piece applicator.

All the info a person with diabetes would need to choose between Dexcom and the Abbott Libre continuous glucose monitor.

We've done that again with FreeStyle Libre 3, the smallest sensor that delivers life-changing benefits and best-in-class accuracy," said Jared Watkin, senior vice president, Diabetes Care, Abbott.