1 Department of Obstetrics and Gynecology, Federal University of Triângulo Mineiro (UFTM), Uberaba-MG, Brazil.
2 Department of Obstetrics and Gynecology, Federal University of Triângulo Mineiro (UFTM), Uberaba-MG, Brazil; Sabin Diagnostic Medicine, Uberaba-MG, Brazil; Mário Palmério University Hospital, University of Uberaba (UNIUBE), Uberaba-MG, Brazil.
3 Prime Ultrasound Diagnostic Center, Uberaba-MG, Brazil.
4 Department of Obstetrics, Paulista School of Medicine - Federal University of São Paulo (EPM-UNIFESP), São Paulo-SP, Brazil; Medical course, Municipal University of São Caetano do Sul (USCS), São Paulo-SP, Brazil. Electronic address: araujojred@terra.com.br.