Breast milk can be refrigerated up to 4 days

LOS ANGELES In fact, even after 96 hours, researchers found minimal changes to the breast milk's composition and bacteria levels. Immune system proteins and beneficial fatty acids and protein were also unchanged.

In general, it is thought breast milk can be refrigerated at 39 degrees for as long as eight days, though ideally, experts say it should be used within two or three days.

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