My A1C was just fine till prednisone. Now it shot up to where the Dr. says I am prediabetic but lately has gone down a little but still needs more. My glucose was 106 but last test was 84 because I have made every concerted effort to stay off sugar. I have avoided pastries, nearly all breads except gluten free and if I must use sweetener I use monkfruit or allulose. I eat low glycemic fruits and berries for dessert instead of ice cream now, and rely on a lot of salads with only simple vinaigrette dressing (not the commercial stuff with sugar in it), plenty of green veggies and I eat a lot of protein meals. Fingers crossed. Good luck with your tests and I hope all goes well for you.