Affiliation: | a Fertility-Assisted Fertilization Center, São Paulo, Brazil b Sapientiae Institute, São Paulo, Brazil c Department of Gynecology and Obstetrics, Botucatu Medical School/UNESP Botucatu, São Paulo, Brazil d Centre for Human Reproduction, Riberião preto, São Paulo, Brazil e Post Graduation Program, Department of Gynecology and Obstetrics, Botucatu Medical School/UNESP Botucatu, São Paulo, Brazil |