3 hours- ugh!

I was right- I did have "slightly elevated glucose levels" at my GD test. Now I have to schedule a 3 hour test. I was going insane sitting in the office for 1 hour at the 1st test. What am I going to do for 3 hours? To make things worse, this test requires a 12 hour fast before I go and no food during the test. This does not sound like a good formula... 15 hours of no eating + 3 blood draws? Who comes up with this crap? What a great way to spend my Friday.