Human milk insulin is related to maternal plasma insulin and BMI: but other components of human milk do not differ by BMI.
Young BE, Patinkin Z, Palmer C, de la Houssaye B, Barbour LA, Hernandez T, Friedman JE, Krebs NF. Human milk insulin is related to maternal plasma insulin and BMI: but other components of human milk do not differ by BMI. Eur J Clin Nutr. 2017 09; 71(9):1094-1100.