noun
- Any of several methods of family planning that do not involve sterilization or contraceptive devices or drugs; coitus is avoided during the fertile time of a woman's menstrual cycle. .
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). natural family planning. Retrieved September 29, 2026, from http://smartdefine.org/natural_family_planning/definitions/1192366 |
| Chicago | WordNet. 2010. "natural family planning" http://smartdefine.org/natural_family_planning/definitions/1192366 (accessed September 29, 2026). |
| Harvard | WordNet 2010, natural family planning, Smart Define, viewed 29 September, 2026, <http://smartdefine.org/natural_family_planning/definitions/1192366>. |
| MLA | WordNet. "natural family planning" 23 October 2010. Web. 29 September 2026. <http://smartdefine.org/natural_family_planning/definitions/1192366> |