Q&A: Mixing Breast Milk?

Can I mix milk from different pumping sessions?
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ByErin van Vuuren
Updated
Mar 2017
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Yes, it’s okay to combine breast milk from different pumping sessions, as long as you cool the milk to the same temperature before mixing them together. Label the container with the age of the oldest milk and store it accordingly. However, if you have a special needs or high-risk baby, it’s better to avoid combining containers of breast milk, since there is a risk of contamination when milk storage containers are repeatedly opened.

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