My wife is 39 weeks pregnant and wants that baby out...if you guys see her maybe don't mention this study.
Maybe she should go to that Italian restaurant that is supposed to cause pregnant woment to give birth within 24 hours of eating there.
Don't worry about it, I didn't see anything in this article mentioning orgasms...and that's what is supposed to hasten the delivery process. Keep having "fun", just make sure she is having "fun" too! ;)