I noticed a lab tech said not to fast. Well, I got a false positive with BOTH of my children on the 1 hour when I did not fast. (I was borderline really, 139 and 137, the cutoffs were 140 and 135 respectively--they lowered the cutoff since my first child.) With the second I ate eggs with cheese ONLY (not even whole grains) and the doctor said it could have been the fat that gave me the false positive. With my first child, the doctor had me redo the 1 hour and I got 141. She then treated me like I was diabetic rather than have me do the 3 hour! With my second I did the 3 hour, where you HAVE to fast. It was perfectly normal! In fact, I was faint and dizzy due to having such low blood sugar at the end of it all. Some people can eat before and do fine. You will not know it unless you try...but the 3 hour really does SUCK, I must say! If it were me (knowing what I know now about my body), I would reschedule the test for the morning and fast. Or at least fast for 3 hours beforehand--eating a late breakfast Atikins style, but watching the fat! Good luck to you!