Fasting blood sugar is in good range, but clearly something is off and most likely the time to check the blood sugar is 1 hour to 2 hours after a meal. I have a feeling you will find a spike. She may need medication if the pre diabetes has moved to type 2, but she needs to make a doc appt to review and if she can have a record of blood sugar tests to show they will probably be able to help her better understand what she needs to do.
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