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CGM

What Is Continuous Glucose Monitoring?

​Continuous glucose monitoring, or CGM, uses a sensor to measure glucose levels throughout the day and night. Depending on the device, readings may be displayed on a compatible receiver or smartphone.

Support for life at home.

01

Wear the Sensor

A small sensor measures glucose in the fluid beneath your skin.

02

Review Your Readings

Compatible devices display glucose readings and may show patterns over time.

03

Discuss Your Results

Your healthcare provider can help you understand your readings and how they relate to your care plan.

Woman using a smartphone to check her CGM sensor data

Make the Most of Your CGM Education.

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Learn how your device works.

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Follow the manufacturer's instructions.

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Understand your readings with appropriate guidance.

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Ask your healthcare provider how to respond to alerts.

Explore CGM Devices

Dexcom G7 CGM system box and sensor components

Dexcom

Explore device information, usage instructions, and manufacturer support.

Visit Dexcom
FreeStyle Libre 3 Plus glucose sensor box and app display

FreeStyle Libre

Explore device information, usage instructions, and manufacturer support.

Visit FreeStyle Libre

Keep Learning About Diabetes.

Discover educational information about glucose monitoring, nutrition, physical activity, and diabetes self-management.

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