[Risks of urogenital infections and expulsion associated with the combination of an IUD and a menstrual cup].

Objectives: The increase in intrauterine devices (IUDs) contraception, and the growing use of reusables menstrual hygiene products such as the menstrual cup, necessitates an assessment of the implications of their co-use. The objectives are to assess whether women with IUDs who use menstrual cups have an increased risk of IUD expulsion and/or a change in the risk of upper and lower urogenital tract infections compared to women who use other menstrual hygiene products.

Method: An observational, prospective, multicenter study was conducted in France between 2020 and 2023.