title: C1-F
design: Genomic DNA was extracted from fecal, vaginal (swab) and uterine (swab) samples using QiaAMp DNA mini stool (fecal) and Kits (Qiagen),respectively, in accordance with the protocols provided by the manufacturer. DNA yields from the samples were determined using the Quantus Fluorometer and the QuantiFlour Double DNA (dsDNA) system (Promega, Wisconsin, United States) kit. Bacterial 16S rRNA V4 regions in the DNA samples were amplified using the 515F and 806R primer combination (Apprill et al., 2015) and subjected to illumina sequencing at StarSEQ (https://www.starseq.com/)