1. Division of Human Reproduction and Department of Obstetrics and Gynecology, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
2. Department of Oncology, Hospital Alberto Cavalcanti, Belo Horizonte, Minas Gerais, Brazil
3. Instituto Moacyr Junqueira, Belo Horizonte, Minas Gerais, Brazil
4. Laboratório Analys Patologia, Belo Horizonte, Minas Gerais, Brazil
5. Department of Morphology, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil