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What is the continuous glucose monitoring system (CGMS)?

William Lee Dubois
Endocrinology Diabetes & Metabolism

CGM is a high-tech system for monitoring your blood sugar. The system is made up of three parts: a sensor that slips under your skin (don’t freak out on me, it’s not painful); a transmitter; and a monitor.

The system samples every five minutes, giving you a near continuous look at the changes in blood sugar. Alarms can warn you it you are in danger, either high or low, and if your blood sugar is changing rapidly.

It’s very cool.

Beyond moment-to-moment safety, a CGM system will let you study in great detail how your body responds to various foods and how well your diabetes medication is doing in controlling your blood sugar.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.