Table 3.

Maternal factors influencing the composition of breast milk microbiota.

Factor	Microbiota Change	References
Cesarean Section	↓Bifidobacterium ↓Lactobacillus ↓biodiversity ↑Staphylococcus	Khodayar-Pardo et al. (2014) [54] Cabrera-Rubio et al. (2016) [55]
Overweight and Obesity	↓Bifidobacterium ↓biodiversity ↑Staphylococcus	Collado et al. (2012) [56]
Antibiotic Therapy	↓Bifidobacterium ↓Lactobacillus	Soto et al. (2014) [57]
Allergy	↓Bifidobacterium	Grönlund et al. (2007) [58]
Celiac Disease	↓Bifidobacterium	Olivares et al. (2015) [59]

↓—a decrease in bacteria counts, ↑—an increase in bacteria counts.