1 Department of Obstetrics and Gynecology, School of Medical Sciences, University of Campinas, Campinas, SP 13083881, Brazil. Electronic address: mlaura@unicamp.br.
2 Department of Obstetrics and Gynecology, School of Medical Sciences, University of Campinas, Campinas, SP 13083881, Brazil; Provincial Health Administration, DPS Manica, Chimoio, Mozambique.