I just got a notice that my 1-hour test was slightly (borderline) high so of course they want to do the 3-hour test. I noticed that in their instructions, they say to eat normally for three days before but add an extra slice of bread at every meal for those three days. Does anyone know why that would be? In my understanding, carbs turn into sugar, thus elevating sugar levels. Why would they want me to do that? I have cut all refined sugars out of my diet since the first test and want to make sure that I do all I can to prepare my body for this next time. I don't want to be labelled gd and thus "high risk" unecessarily. Does anyone have any other advice on how to prepare my body for this test?