qPCR evaluation of Lactobacillus(A),Bifidobacterium(B),Atopobium(C)andPrevotella(D). Analysis was performed on vaginal samples collected at 33rd (W33) and 37th (W37) week of gestation from pregnant women supplemented (P) and not supplemented (C) with VSL#3. Data are expressed as ng of DNA of the target genus per μg of total bacterial DNA extracted from the vaginal sample. The diagrams show the mean values with error bars representing the standard deviations.
Vitali et al. BMC Microbiology 2012 12:236 doi:10.1186/1471-2180-12-236