Don't forget to read these then:

Gestational Diabetes by Henci Goer
Gestational Diabetes & Induction

Its like the whole CPD thing really. Unless you are already on insulin for diabetes or have actual diabetes, I wouldn't stress. I know someone who was labelled with GD who was being forced into a caesar, she would test her friend's blood sugar levels when they would come over and her friends would have higher BSL than she would have. Ridiculous.

btw. She ended up ditching the hospital and had a beautiful homebirth.