... vaginal no período menstrual (rimou!).
Directamente da Índia, esse país com tanto para ensinar:
http://m.indiatoday.in/story/5-tips-menstrual-hygiene-day-care-sanitation-lifest/1/964966.html
http://m.indiatoday.in/story/5-tips-menstrual-hygiene-day-care-sanitation-lifest/1/964966.html