I have been on th nuvaring for 3 months and am getting married in 3 weeks. We would like to start trying to get pregnant immeadeatly. I was wondering how long it would take after taking the nuva ring out before I could get pregnant.

http://www.nuvaring.com/Authfiles/Images/309_103003.pdf go there for more specific info. But they warn that if you leave it out for more than one week after the three week period you may become pregnant. So it sounds like practically immediately