Fig. 1From: Is there a placental microbiota? A critical review and re-analysis of published placental microbiota datasetsStudy inclusion flowchartFour searches were performed on PubMed to identify studies for inclusion in the re-analysis. Filtering criteria were: primary research article, 16S rRNA gene sequencing data, placentas obtained from term deliveries, sequencing data accessible with published accession number, and sufficient metadata available to parse sequencing data into individual samples.Back to article page