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The Top 5 Mistakes to Avoid with Your CGM

04 Sep 2025 by Meera Shah, M.B., Ch.B.

The Top 5 Mistakes to Avoid with Your CGM

When it comes to Continuous Glucose Monitoring (CGM), it's easy to get overwhelmed by the wealth of data and features at your fingertips. However, there are specific pitfalls to watch out for to ensure you're getting the most out of this powerful tool. Here are the top 5 mistakes to avoid with your CGM:

1. Not Calibrating Correctly

One of the most common mistakes with CGM is not calibrating the device correctly. This can lead to inaccurate readings, which in turn can cause unnecessary stress and confusion. To avoid this, make sure to follow the manufacturer's instructions for calibration, and take the time to understand the different types of calibration available. Hypoglycemia Uncovered The Surprising Dangers Of Low Blood Sugar

2. Not Understanding Your Data

CGM provides a wealth of data, but it's not always easy to understand. One mistake to avoid is not taking the time to interpret your readings correctly. Make sure to learn how to read your trend arrows, set effective alerts, and use the data to make informed decisions about your diet and lifestyle. A1C Levels Explained From The A1C Chart To Your Estimated Average Glucose Eag

3. Not Wearing the Device Correctly

Proper wear of the CGM device is crucial for accurate readings. One mistake to avoid is not following the manufacturer's instructions for wear and placement. This can lead to skin irritation, inaccurate readings, and a host of other problems. Make sure to take the time to learn how to wear your CGM correctly.

4. Not Using the Right Settings

CGM devices often come with a range of settings and features. One mistake to avoid is not using the right settings for your needs. Make sure to take the time to learn about the different settings available, and adjust them accordingly to get the most out of your device.

5. Not Storing Your Data Properly

Finally, one of the most common mistakes with CGM is not storing your data properly. This can lead to lost readings, missed trends, and a host of other problems. Make sure to take the time to learn how to store your data correctly, and consider using a CGM app to help you track your readings and make informed decisions about your health. How To Check Your Blood Sugar At Home A Guide To Meters And Cgms

By avoiding these common mistakes, you can get the most out of your CGM and take the first step towards better managing your blood sugar levels. Remember, CGM is just a tool – it's up to you to use it effectively to achieve your health goals.

References and Further Reading