microbiome and influence immune function. Aside from genetic Secretor status, the factors
influencing HMO synthesis and secretion are largely unknown. Objective We aimed to
identify modifiable and nonmodifiable factors associated with HMO concentrations. Methods
This prospective observational study included a representative subset of 427 mothers
participating in the CHILD birth cohort (mean age: 33 y, 73% Caucasian). Breast milk was …