Funding for this research was provided by:
Fundação de Amparo à Pesquisa e ao Desenvolvimento Científico e Tecnológico do Maranhão (00668/15)
Received: 19 January 2020
Accepted: 26 July 2020
First Online: 1 August 2020
Ethics approval and consent to participate
: This project was approved by the Research Ethics Committee of the Federal University of Maranhão (CEP-UFMA), under Consolidated Opinion N° 1.289.419/2015.All women have signed a written Informed Consent Term to participate of this research.
: All women have signed an Informed Consent Term for data publication.
: The authors declare that there are any conflicts of interest in this work.