The Amazing Science of Human Milk Antibodies

How Your Baby’s Saliva Signals Changes in Your Milk

Breastfeeding is often described as a beautiful dance between mother and baby, but did you know it’s also a sophisticated biological exchange? One of the most fascinating aspects of breastfeeding is how an infant’s saliva interacts with the breast, signaling the mother’s body to produce specific immune factors—especially secretory IgA (sIgA). This power…