**Author details**

Frederico José Amédeé Péret1 \* and Liv Braga de Paula<sup>2</sup>

1 Unimed BH Coop/Maternal Fetal Medicine – Hospital Vila da Serra, Belo Horizonte, Minas Gerais, Brazil

2 Department of Gynecology and Obstetrics, Faculdade de Ciências Médicas de Minas Gerais (FCMMG), Belo Horizonte, Minas Gerais, Brazil

\*Address all correspondence to: fredperet@gmail.com

© 2021 The Author(s). Licensee IntechOpen. This chapter is distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/ by/3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
