PLACENTA HARBORS A MICROBIOME SIMILAR TO THE MOUTH. “Placental specimens (were) collected under sterile conditions from 320 subjects. We characterized a unique placental microbiome niche, composed of nonpathogenic commensal microbiota … In aggregate, the placental microbiome profiles were most akin … to the human oral microbiome.”
http://stm.sciencemag.org/content/6/237/237ra65.short