I just found out this week that I am now considered prediabetic. My blood Sugar is 110, after 12 hours of fasting. I did a 16 hours fast today, to see if it does go down. I have never had high blood sugar, normally it is low. I am not over weight, nor do I have a BMI of 25. According to the Diabeties association I have a risk factor of only 1... The only things different about my life style in the past year is that I had the Mirena IUD inserted in last November. I've had increased tiredness, crabby, headaches, and now my blood Sugar is high.