Changes in vaginal microbiology from baseline among women with BV after therapy with topical metronidazole or clindamycin. (D) Nonpigmented Prevotella spp. include the following: P. oralis, P. buccalis, P. veroralis, P. oulorum, P. oris, P. buccae, P. capillosus, and P. disiens. (E) Black-pigmented Prevotella spp. include the following: P. intermedia, P. corporis, P. denticola, P. loescheii, P. melaninogenica, and B. levii. (F) Porphyromonas spp. include P. asaccharolytica, P. endodontalis, and P. gingivalis. Asterisks indicate that Cochran's Q test was performed to determine the P value for the frequency of microbes between visits.