Table 3.

Changes in the microbial composition of various parts of the infant body from delivery to postpartum.

Microbiota\sites	Gastrointestinal tract	Skin	Oral mucosa	Nares
Actinobacteria	↓↓	↑	↓↓	↑
Bacteroidetes	↑↑	↓	↑↑	↑
Firmicutes	↑	→	↑↑	↓
Fusobacteria	↓	↓↓	↓	↑
Proteobacteria	↓	↓	↓↓	↑↑
Others	↓	↓↓	↓	↑

“↑“ represents an increase in the abundance of the microbe from delivery to postpartum. “↑↑“ represents a significant increase in the abundance of the microbe from delivery to postpartum. “↓“ represents a decrease in the abundance of the microbe from delivery to postpartum. “↓↓“ represents a significant decrease in the abundance of the microbe from delivery to postpartum. “→“ represents that the abundance of the microbe is basically unchanged from delivery to postpartum.