spicy curry,sex,and i know that this is going to sound like im crazy but when you are relaxed in bed think about being in labor now ask the baby to come now i did this and my waters broke 5 mins later it was freaky!!! i was like oh my god he heard me lol and i just did some reasearch for you on this topic and it mentioned what happened to me saying the mind is a powerful tool so i guess im not the only person that has had some success by doing that :)and they other thing you should definately try is accupressure according to the article i just read it really works!!! and all it is is pressing certain points on the skin.type accupressure into your search engine the article says its perfectly safe to you and baby good luck