Having a CGMS is great for getting an idea of what your blood sugar levels are at every minute, but remember it’s only an estimated idea. About 9 to 21% of CGMS readings are off from what your blood sugar levels really read. So it’s definitely a disadvantage when you’re trying to adjust your insulin intake.
Watch as 1 Happy Diabetic Bill gives us a few issues he’s found with his CGMS such as cost, accuracy, and information overload. It’s a great way to follow your blood sugar trends but always remember a prick will always give you the best reading.