My back is in awful shape right now. My posture isn't always great to start with, I have big boobs to start with. Now I have even bigger boobs, shifted center of gravity, and can't find a position to sleep in that doesn't cause pain somewhere. My doc cleared me to go to a chiro to get an adjustment. I've never been and don't know what to expect. What should I expect? How is a normal adjustment different from a preggo one?