R. Moshe Maimon called my attention to the Meam Loez’s discussion of the laws of niddah, addressed to both men and women, and there is no mention there of bringing anything to the rabbi. This omission was rectified by R. Aryeh Kaplan, who in his translation (vol. 1, p. 136) adds: “When in doubt, a competent rabbi should be consulted.”

Marc B. Shapiro, “Answers to Quiz Questions and Other Comments, part 2”, The Seforim Blog (25 March 2012), n. 2 {http://seforim.blogspot.com/2012/03/answers-to-quiz-questions-and-other.html}