1. Botucatu Medical School, UNESP_Univ Estadual Paulista, São Paulo State, Brazil
2. Student of medicine, Botucatu Medical School, UNESP_Univ Estadual Paulista, São Paulo State, Brazil
3. Institute of Biosciences of Botucatu, UNESP_Univ Estadual Paulista, São Paulo State, Brazil
4. Laboratory of Experimental Research on Gynecology and Obstetrics, Postgraduate Course on Tocogynecology, Univ Estadual Paulista_Unesp, Botucatu, São Paulo State, Brazil
5. Department of Pediatrics, UNESP_Univ Estadual Paulista, São Paulo State, Brazil