1. Laboratory of Experimental Research on Gynecology and Obstetrics, Department of Gynecology and Obstetrics, Botucatu Medical School; Univ Estadual Paulista - UNESP; Botucatu São Paulo Brazil
2. Department of Animal Reproduction and Veterinary Radiology, School of Veterinary Medicine and Animal Science; Univ Estadual Paulista - UNESP; Botucatu São Paulo Brazil