NFP Before Vatican II
Natural Family Planning (NFP) is a way that many Catholics today space-out births of children based on their economic, social or medical reasons. Unfortunately, many Catholics also use NFP to decide when they are "done" having children, often based on lifestyle-preferences more than "grave reasons," as required by the Catholic Church. On the other hand, some traditional Catholics today erroneously believe NFP didn't exist before Vatican II. Pope Pius XII spoke about this aspect of the matrimonial-contract in an Address to Midwives on 29 October 1951. A small segment of his talk is copied below. His words are in italics and my commentary is found in orange-bold. The Bonum Prolis [...]