In a study of nearly 400 breastfeeding mothers, researchers find links between directly feeding the child and a more diverse microbiota, compared to milk from pumping.

See how the cells accommodate milk production in mouse mammary tissue.

Adipocytes lose their lipids and reprogram themselves into stem cells during lactation, then turn back into fat cells after pups wean.

Without access to their mothers’ milk, Toxeus magnus offspring die within the first 10 days of life.

Oligosaccharides from one mom wiped out a group B strep colony in culture.

Thirty percent of bacteria found in babies' guts came from mothers' milk, a study finds.

Oligosaccharides found in breast milk stimulate the activity of gut bacteria, promoting growth in two animal models of infant malnutrition.

A study links components of a mother’s milk to her infant’s growth.

Gut microbial communities from breastfed babies are slow to resemble adults’ microbiota.

A breast milk-associated gene mutation impacts the establishment of a newborn’s gut microbiome, a study suggests.

The pace at which bacterial groups take root in the gastrointestinal tracts of premature infants is more tied to developmental age than time since birth.

Moms bombard their babies with bugs both before and after they’re born.