1. Gynecology and Obstetrics Service, Barbacena School of Medicine (FUNJOBE), Barbacena, Minas Gerais State, Brazil
2. High Risk Prenatal Care Group, Brazil
3. Gynecology and Obstetrics Service, Barbacena School of Medicine (FUNJOBE), Barbacena, Minas Gerais State, Brazil; High Risk Prenatal Care Group, Brazil; Zimmermmann Obstetrics and Gynecology Clinic, Brazil