Knowing women's menstrual hygiene methods can tell us whatthey look for in a method and what they use as criteria. The menstrual cup can be a viable option for most women during their menstrual period. 1 This method is not widespread in the population, and there is a lack of literature regarding the advantages and disadvantages of using it and the choosing criteria. 2,3 Sustainability is a current concern and can be one of the criteria adopted by women during their decision-making. 4 Menstrual cups appear a sustainable, cost-effective, practical, and adequate choice compared with the most known methods. 5 Despite these