21. Expresses deep concern that the lack of adequate sanitation facilities and related challenges, such as water scarcity and unsafe water, disproportionately affect women and girls, including their labour force and school participation rates, and increase their vulnerability to violence, and in this regard calls for the strengthening of efforts to achieve sanitation for all and to end open defecation, paying special attention to women and girls, through efforts to ensure access to sanitation and hygiene facilities, including menstrual hygiene management;