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Table 1 Characteristics of included studies

From: The mode of delivery affects the diversity and colonization pattern of the gut microbiota during the first year of infants' life: a systematic review

Author County Gestation period (Mean, wk) Publication year VD CS Period for sample collection Microbial isolation and analysis techniques
[35] Singapore 38.87 2015 57 18 3d, 3wk, 3Mo, and 6Mo DNA extraction and 16S rRNA gene amplification
[36] India 36 2013 73 10 1d, 2d, 4d, 7d, 14d, 28d, 90d, and 180d DNA extraction and 16S rRNA gene sequencing
[27] Sweden 2013 15 9 1wk, 1Mo, 3Mo, 6Mo, 12Mo and 24Mo DNA extraction and 16S rRNA gene amplification
[34] Greek 39.05 2008 34 48 4d, 30d and 90d Culture-dependent and molecular methods.
[21] Finland 39.35 2008 141 24 1Mo, 3Mo,6Mo, and 12 Mo Fluorescence in situ hybridization of bacterial cells.
[20] Finland 39.5 1999 34 30 3d,5d,10d,30d,60,180d Cultured on nonselective and selective media
[26] Sweden 2014 109 19 6d,3wk,2Mo,6Mo DNA extraction and 16S rRNA gene sequencing
  1. d-day, wk-week, Mo-month