1. Department of Gynaecology and Obstetrics, Hospital das Clínicas, Federal University of Minas Gerais (UFMG), Belo Horizonte, Brazil
2. Department of Gynaecology and Obstetrics, Hospital das Clínicas, Federal University of Minas Gerais (UFMG), Belo Horizonte, Brazil; Department of Gynaecology and Obstetrics, Federal University of Minas Gerais (UFMG) School of Medicine, Belo Horizonte, Brazil