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. 2022 May 23;44(8):776–784. doi: 10.1055/s-0042-1746200

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Federação Brasileira de Ginecologia e Obstetrícia. This is an open access article published by Thieme under the terms of the Creative Commons Attribution License, permitting unrestricted use, distribution, and reproduction so long as the original work is properly cited. ( https://creativecommons.org/licenses/by/4.0/ )

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Fig. 2 — Risk of bias summary: review authors' judgements about each risk of bias domain. Based on the Cochrane risk-of-bias assessment tool. Green color indicates low risk of bias; red color means indicates risk of bias.