by Louise Boychuk, RN | Apr 12, 2019 | Marquette in Regular Cycles, NFP Effectiveness
Let’s start with a short answer to the question. How Effective is the Marquette Method of NFP? For women in regular cycles, the Marquette Method of NFP is 98.4 % effective in perfect use (also called “correct use”), and 98% effective in typical use (Fehring &...
