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. 2021 Jul 15;7:60. doi: 10.1038/s41522-021-00231-6

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© The Author(s) 2021

Open Access This 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 license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license 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 license, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 2 — a Venn diagram showing the shared and unique OTUs among healthy, PCOS-HB and PCOS-LB subjects. b The bacterial diversity comparison among healthy subjects, and subjects with PCOS-HB and PCOS-LB, respectively. The data are shown as the mean ± SD and error bar was used. c The association between bacterial diversity and clinical indices. d Distribution of bacterial taxa at the phylum level. e Distribution of bacterial taxa at the genus level. f The distinguished bacterial genera screened by the Wilcoxon test. Letters indicate the ANOVA grouping. Red, green, and blue color represent Healthy, PCOS-HB and PCOS-LB group separately. PCOS-LB, normal BMI (BMI < 24); PCOS-HB, high BMI (BMI ≥ 24).