Microbiota by HOMIM Microarray 12 Sample swabs from cheeks, tongue, and alveolar ridges (牙槽嵴) Exclude 4 low-yield samples DNA extraction C-section: n=38: Vaginally delivered n=25 Human Oral Microbe Identification Microarray HOMIM HOM|M,2008) . Simultaneous detection of about 270 of the most prevalent, cultivated and not-yet-cultivated oral bacterial species Targeting 16SrRNA .Human Oral Microbe Identification using Next Generation Sequencing(HoMINGS, 2014)Microbiota by HOMIM Microarray Sample Swabs from cheeks, tongue, and alveolar ridges(牙槽嵴) DNA extraction Exclude 4 low-yield samples C-section: n=38; Vaginally delivered: n=25. HOMIM Human Oral Microbe Identification Microarray( HOMIM, 2008) •Simultaneous detection of about 270 of the most prevalent, cultivated and not-yet-cultivated oral bacterial species; •Targeting 16SrRNA; •Human Oral Microbe Identification using Next Generation Sequencing(HOMINGS, 2014). 12