http://www.articleheaven.net en-us editorial@articlealley.com Natural Family Planning (NFP) is something that has been around the centuries. Evidence shows people have been using this form of family planning for more than 2,000 years, and it is possible it could have been a long time prior to that. In the tradit... http://www.articleheaven.net/an-introduction-to-natural-family-planning-1366114.html 27th January 2010