Human placenta has no microbiome but can contain potential pathogens

Nature, Published online: 31 July 2019; doi:10.1038/s41586-019-1451-5The human placenta does not have a microbiota, suggesting that bacterial infection of the placenta is not a common cause of adverse pregnancy outcome, but group B Streptococcus is found in approximately 5% of placental samples.
Source: Nature AOP - Category: Research Authors: Source Type: research