Jul 27,  · What is natural family planning? Natural family planning is a method used to help a couple determine when sexual intercourse can and cannot result in pregnancy. During each . At the first stage of life, centers for natural methods of regulating fertility should be promoted as a valuable help to responsible parenthood, in which all individuals, and in the first place the . natural family planning (NFP). They teach you when you are fertile and when you are not, at natural times in your