Affiliation: | 1 Department of Obstetrics and Gynaecology, School of Medical Sciences, University of Campinas, Campinas, Brazil, ; 2 Centre for Studies in Reproductive Health of Campinas (CEMICAMP), Campinas, Brazil, ; 3 Jundiai School of Medicine, Jundiaí, Brazil, ; Universidade Federal do Acre (Federal University of Acre), Brazil, |