Did it work for you? Not work? Did you follow all the "directions"? When did you get AF back, or did you get pregnant first? I am doing everything you are supposed to do except taking a nap with DD, but we have a long night (cosleeping) and her naps during the day are not very long. I am thinking we might give this a try, was curious about others' experiences.
Here's an article detailing the method: http://www.physiciansforlife.org/content/view/1421/43/