Figure 3

Relative abundance of different bacteria species in cases with severe preeclampsia (n = 30) and control women (n = 30). (a) The 15 most abundant bacteria at the species level are displayed. (b) Box plots indicate statistically significant differences in the relative abundances of Prevotella bivia, Atopobium vaginae, Aerococcus christensenii and Anaerococcus tetradius between cases with severe preeclampsia and control women.