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  • Q&A with Australian Health Practitioners

    Does anyone else experience variations when repeatedly testing sugar levels?

    Related Topics
    Endocrinology Type 2 Diabetes
    I tested my levels three times in a row and got a different reading each time? Why?
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    Thanks

    Samantha Ling

    Dietitian, Nutritionist

    Samantha is an Accredited Practicing Dietitian (APD), consultant and food and nutrition enthusiast. Samantha works in a private practice on the Central Coast, NSW, Rostant … View Profile

    No device is 100% accurate, there is always room for measurement error. If the readings are not fluctuating a great deal you could take an average of the 3 readings if you are testing one after the other. Note that your body will move sugar out of your bloodstream over time, so if readings vary by 0.1-0.5 it may be due to this mechanism.

    When testing your blood glucose (sugar) levels always make sure your hands are clean (no food residue on your fingertips that may influence the reading).

    Alternatively, your glucometre may be playing up! Get your GP or pharmacy to have a look at it. Also, check that your strips are valid (that is, are not out of date).

    Hope this helps!

    Samantha Ling
    Rostant Nutrition
    (Find us on facebook at www.facebook.com/RostantNutrition )

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