Fig. 4.

Breastfeeding duration influences the gut microbiota of C-section infants but not naturally delivered infants at 24 weeks of age. a Caesarean section, full-term infants. b Naturally delivered full-term infants. In blue are infants that were breastfed for less than 4 months (i.e. between 1 and 2 months, or between 2 and 4 months). In red are infants that were breastfed for longer than 4 months. The vast majority of infants in the cohort were breastfed for 1 month