How long can breast milk be in the freezer?
Last updated on April 1, 2026
Generally, the concerns with long-term freezing are due to a slow decline of vitamins, as well as the fact that the breast milk’s taste is eventually affected. Measurements of breast milk that has been stored in the freezer for six weeks and longer do not show bacterial growth. However, it's important to remember that guidelines are often conservative, and the actual safety window might be longer.
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