Characteristics of breastmilk collections and 24-hour milk productions for each of the participating breastfeeding dyads.

1Collection time points refer to a morning during each of the named weeks. Weeks refer to postpartum infant age.2Modes of breastmilk expression refer to hand expression (H) and pump expression (P), and correspond to the weeks of collection.3Breasts sampled refers to F: feeding and C: control (non-feeding) breast, and correspond to the weeks of collection.4Time points missing refers to the number of time points within each collection day not sampled by the participant. The specific time point(s) is/are indicated within parentheses.5In parentheses, the productions of the left and right breasts are shown as (left+right).6Average 24-hour milk production (N = 5).