Table 1.

Examples of bacteria detected in various time periods after the birth [25,26,27,28,29].

Time after Birth	Detected Bacteria
3 h	Clostridiaceae, Enterobacteriaceae
6 h	Streptococcaceae, Escherichia coli, Clostridium spp.
1st–3rd day	Lactobacillaceae (L. sobrius, L. reuteri, L. acidophilus), Bacteroidetes spp., Escherichia coli, Shigella flexneri