Human milk oligosaccharide (HMO) concentrations in the United Arab Emirates (UAE) mothers’ milk (●) across the transitional milk and mature milk periods, plotted against the lactational trend reported by Ma et al. [30] for a Chinese cohort (●) and Malaysian cohort (●), and by Austin et al. [29] for a Chinese cohort (●). 3’SL, 3’-sialyllactose; 6’SL, 6’-sialyllactose; 6’SLN, 6’-sialyllactosamine; DSL, disialyllactose; 3’S3FL, 3’-sialyl-3-fucosyllactose; LSTa/b, LS-tetrasaccharide a/b; LSTc, LS-tetrasaccharide; LNnT, lacto-N-neotetraose; LNT, lacto-N-tetraose LNFP, lacto-N-fucopentaose I; 2’FL, 2’-fucosyllactose; 3FL, 3-fucosyllactose.