So confused!!!!!! I have been told I have gestational diabetes 2 months ago!

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Well I have been checking my glucose 4 times daily. And I’m never higher than 110. Fasting always 70-80.... I HAVE NOT CHANGE DIET! I still eat what I want. From a dr. Pepper to anything I want. So how is this possible? Any one similar to this. I’m 33 weeks and baby is measuring 3 1/2pounds