Fig. 1From: The alteration of intrauterine microbiota in chronic endometritis patients based on 16S rRNA sequencing analysisa The α-diversity of the uterine microbiota in the CE and non-CE groups was shown by the Shannon–Wiener index at the genus level. The red bar stands for the CE group and the blue bar stands for the non-CE group. * denotes P < 0.05. b The non-supervised partitioning around medoids (PAM) clustering results of the samples from CE (circle) and non-CE groups (triangle)Back to article page