1. Department of Obstetrics and Gynecology, Medical School of Ribeirao Preto; University of Sao Paulo; Ribeirao Preto Brazil
2. Ultrasonography and Retraining Medical School of Ribeirao Preto (EURP); Ribeirao Preto Brazil
3. Nurture Fertility, Department of Obstetrics and Gynecology, School of Clinical Sciences; University of Nottingham; Nottingham United Kingdom