Here are some suggestions:
1) Plan a homebirth. You’ll be in a comfy, familiar setting and have all that you need. Food, bath tub, folks you care about & more.
2) Try warm/hot showers
eating ice chips (you may want to use red raspberry leaf tea)
These books can help you prepare:
http://www.amazon.com/HypnoBirthing-natural-approach-comfortable-birthing/dp/0757302661 I know a woman who used this technique. She raves about it espec when it came to helping with labour pain.