Abnormal uterine bleeding, menstrual poverty and the financial burden of menstrual hygiene among Brazilian adolescents: A multicenter cross-sectional study on health inequities. - Nakamura RM; Antoniassi GPR; Yela DA; Benetti-Pinto CL (International journal of gynaecology and obstetrics: the official organ of the International Federation of Gynaecology and Obstetrics, 2026)