Ok, now I'm not pregnant, nor am I planning to be any time soon but I was just diagnosed w/CFRD in october. While in the hospital my blood sugar was running in and around the 500's. Before I went in I kept getting hot flashes and was just getting so worn out and tired REALLY easily...I'm talking needing a three hour nap after working for just four hours. I thought it was because of infection but once they got my sugars down I felt sooo much better. Keep those symptoms in mind, if you find yourself more easily fatigued than usual or you can't quench your thirst, have your doc check things out just to be sure.