Fig. 1

Main findings of vaginal microbiota in studies conducted among sub-Saharan African pregnant women. Illustration is based on collection timepoint (trimesters) during pregnancy. BV, bacterial vaginosis. BVAB1, Bacterial Vaginosis Associated Bacteria 1. CST, community state types numeric system described by Ravel et al. [2]. CT, C. trachomatis. KRST-clusters, vaginal microbiota cluster method in Kenyan, Rwandese, South African and Tanzanian women as describe in Gautam et al. [8]. R-clusters, vaginal microbiota cluster method in Rwandese women as described in Borgdorff et al. [38]. TV, Trichomonas vaginalis. VMB, vaginal microbiota