AbstractObjectiveThe aim of this study was to develop a scale of menstruation myths.MethodsThe current research was conducted using a methodologic approach with a sample of 330 women who met the inclusion criteria. The scope, structural validity, and internal consistency of the scale were tested.ResultsAs a result of the analyses, it was determined that the scale consisted of 18 items and three factors that explain approximately 57% of the total variance. The Cronbach α value of the scale was 0.86 in the first factor, 0.82 in the second factor, 0.83 in the third factor, and 0.91 in total.ConclusionThe Menstruation Myths Scale was found to be a valid and reliable measuring tool for reproductive‐aged women in Turkish society. It is recommended that the scale be tested with women of different ages, populations, and countries. Additionally, it is believed that the scale can be used to determine myths about menstruation among men.