Mobile health technologies for the monitoring of menstrual cycle: a systematic review of online stores in Brazil - Dantas, Lucas Ogura; Carvalho, Cristiano; Pena, Caroline Caetano; Breda, Carolina Carreira; Driusso, Patricia; Ferreira, Cristine Homsi Jorge; Bø, Kari (Journal of Obstetrics and Gynaecology Research, 2022)