I do understand how you feel as I also wanted to be at a birth centre but ended up being induced on EDD+15 at the hospital instead, which I was desperate to avoid. I tried every damn thing - walks, tea, sex, pineapple, accupuncture but it didn't happen. It's really frustrating when everyone says that the baby will come when it is ready but, despite my best efforts, that did seem to be the case. I know it's impossible to believe at this moment, but baby will be with you soon. (Well, sort of, he still didn't come and had to be yanked out by c-section but that's another story....!)
The vast majority go over their due date so, if you can, try and enjoy xmas and look forward to the most amazing gift in the new year? Good luck.