Guide

Yes, CGM calibration is still needed for some systems, while many factory-calibrated sensors work with no routine fingerstick steps.

CGM lag time between blood and interstitial glucose is usually 5–15 minutes, stretching longer when levels change quickly.

CGM time in range targets usually mean spending at least 70% of the day between 70 and 180 mg/dL while keeping lows and highs to small slices.

CGM alarm best practices help you cut alarm fatigue, stay safer with lows and highs, and act on the right alerts at the right time.

CGM overnight glucose patterns reveal how your levels change during sleep so you can spot lows, dawn rises, and trends to review with your care team.

CGM skipping readings usually stems from signal loss, sensor warm-up, compression, or device issues rather than a sudden change in blood sugar.

Smart CGM adhesive tips for sensitive skin help you reduce irritation, keep sensors on longer, and feel more confident wearing your device.

Continuous glucose monitoring for prediabetes can reveal blood sugar patterns, guide lifestyle changes, and help delay or prevent type 2 diabetes.

To read CGM data, start with time in range, low and high alerts, and daily patterns, then use them with your care team to adjust food, insulin, and activity.

Continuous glucose monitoring for insulin pump users ties live glucose data to insulin delivery so you spend more time in your target range.