1. Department of Gynecology and Obstetrics, Faculdade de Ciencias Médicas de Minas Gerais - FCCMG, Belo Horizonte, Minas Gerais, Brazil
2. Department of Preventive and Social Medicine, Faculdade de Medicina, UFMG, Belo Horizonte, Minas Gerais, Brazil
3. Faculdade de Medicina de Barbacena, Barbacena, Minas Gerais, Brazil
4. Faculdade de Ciencias Médicas de Minas Gerais - FCCMG, Belo Horizonte, Minas Gerais, Brazil
5. Center for Action and Research in Support Diagnostics, UFMG, Belo Horizonte, Minas Gerais, Brazil
6. Department of Gynecology and Obstetrics, Faculdade de Medicina, Universidade Federal de Minas Gerais - UFMG, Belo Horizonte, Minas Gerais, Brazil