Nutrition
CGM Trend Reading Basics
CGM trend reading basics focus on arrows and curves over single readings—weekly patterns beat panic over one post-meal number.
CGM trend reading basics teach you to watch arrows and three-hour curves—not single numbers—to see whether glucose is rising, falling, or holding steady. A reading of 130 mg/dL with a sharp up arrow means something different than 130 with a gentle down arrow.
Weekly averages and time in range matter more than one post-dessert peak. This is education for pattern learning alongside medical care, not self-adjusting prescriptions.
Common questions
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Should you change meals based on one high CGM dot?
Wait for repeating patterns across similar meals and sleep contexts. One dot after stress or poor sleep is weak evidence for a full diet overhaul.
Related terms
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