What is CGM

Continuous Glucose Monitoring (CGM) is a small wearable sensor applied to the body that tracks glucose levels continuously.

How it works

• measures glucose every few minutes
• sends data to smartphone or reader
• shows trends, alerts and history

Benefits

✔ no finger pricks (or minimal)
✔ 24/7 monitoring
✔ real-time alerts
✔ better diabetes management
✔ user-friendly

Popular devices

• FreeStyle Libre
• Dexcom G6 / G7
• Medtronic Guardian

Who should use it

• Type 1 diabetes
• Type 2 diabetes (insulin therapy)
• health tracking users

Usage

1. Apply sensor to arm/body
2. Activate via app
3. Monitor glucose in real time

Downsides

• higher cost
• sensor replacement every 10–14 days
• occasional inaccuracies

Conclusion

CGM systems are a game-changing solution for modern diabetes management.