One of the things about pregnancy (and early breastfeeding, for that matter) is the change to your food requirements. I don't mean you like different tastes, I mean when you are late for a meal you feel faint. This isn't a gradual occurrence but an instant one. I have been trying to get up and work before breakfast the last few days. I am fine until about 9-15am, then I have a window of about five minutes to get to the cereal bowl before I fall over. When I am not pregnant, I can skip a meal with little more than a grumbly tum but not now.
So tomorrow's glucose testing is going to be fun. They want me to fast for 12 hours before a blood test. Following that they want to feed me only glasses of lucozade all morning at two hour intervals while taking several blood tests. I have a feeling that I am going to want punch someone by 11am. It is just as well I won't have the energy to!