Fig. 3

Changes in microbial community composition after hysterectomy at the level of calss and order.a The top ten strains of the RS1 group ranked as the most abundant at the level of class.b The top ten strains of the RS2 group ranked as the most abundant at the level of class.c At the class level, the three dominant bacteria, Gammaproteobacteria, Bacteroidia and Clostridia, accounted for more than 50% of the intestinal flora.d The top ten strains of the RS1 group ranked as the most abundant at the level of order.e The top ten strains of the RS2 group ranked as the most abundant at the level of order.f The dominant species at the order level were Enterobacteriales, Bacteroidales and Clostridiales