Typo on "An A1c of 6.6% indicates your estimated average glucose is 146.72 mg/dl, not "but normal the rest of the day at 100 or less."
I omitted the word "daily" by mistake. That sentence should have been, "An A1c of 6.6% indicates your "daily" estimated average glucose is 146.72 mg/dl, not "but normal the rest of the day at 100 or less."
An A1c of 6.6% indicates your estimated average glucose is 146.72 mg/dl, not "but normal the rest of the day at 100 or less." We can't speak for your doctor as to why he/she made the decision on Metformin. Call your doctor for that answer.
What is your hesitation? Some people do get side effects from Metformin (stomach) but many do not. I took it for a year with good effect and no side effects. You might want to talk with your doctor about your concerns. 130 is high for fasting blood sugar. It's a fairly common progression for Type 2 diabetes to need a bit of help from oral meds after a time. Good for you for doing well on the weight loss, diet and exercise!