Breast milk seems to be rich in beneficial bacteria only when it comes directly from the mother’s breast — not even when the same milk is pumped and delivered later by bottle. Pumped milk still carries most other riches of breast milk. Nevertheless, this news about the microbiome, emerging from studies done in the past few years, taps into a fraught issue for many women: medical recommendations and societal pressure to breast-feed, combined with policies, or physical problems, that often make it all but impossible to do so.
https://www.nytimes.com/2019/06/12/health/breastmilk-microbiome-parenting.html
Is breast really best? I looked at all the data to find out
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