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. 2020 May 11;20:99. doi: 10.1186/s12905-020-00948-0

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© The Author(s) 2020

Open AccessThis article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated in a credit line to the data.

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Fig. 2 — Incidence of postpartum depression. Random-effects meta-analysis evaluating the effect of labor epidural analgesia on postpartum depression compared to control. Squares to the right of the middle vertical line indicates that labor epidural analgesia was associated with increased odds of postpartum depression, whereas squares to the left of the middle vertical line show that labor epidural analgesia was associated with decreased odds of postpartum depression. The horizontal lines represent the 95% CI and the diamond shape represents the overall effect of labor epidural analgesia on postpartum depression compared to control. CI = confidence interval