Key finding vaginal:red diversity w/preg, patterns preg/nonpreg differs, Lactobacillus spp. dominate the vaginal microbiome of healthy pregnant women, with varying relative abundances of different species, and with L. iners as the most frequent predominant species;preterm birth had alter vag biome.Need to learn differences due to  race, age and lifestyle. http://www.aimspress.com/article/10.3934/microbiol.2016.1.55/fulltext.html Open Access Journals