Natural Family Planning (NFP) refers to methods that help couples achieve or avoid pregnancy by understanding and tracking a woman’s natural fertility signs, such as basal body temperature, cervical mucus, and menstrual cycle patterns. NFP is in harmony with the body’s natural rhythms and does not involve hormonal treatments or contraceptives. It promotes marital communication, respect for the dignity of life, and the health of both partners. NFP has been shown to have high effectiveness rates (97-99%) when practiced correctly.