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Storing Breast Milk

Breast milk has components that prevent bacterial growth, and can be kept at room temperature for a long time (24 hours). Most people would tend to be on the safe side, and throw it out if it was kept out of the refrigerator more than 12 hours.

When expressing milk, if you plan use it the next day or two, you can put it in the refrigerator. Otherwise, you can freeze it.

If you have breast milk in the refrigerator for a day or two that you haven’t used, you can still freeze it.

When freezing milk, you can use a high quality plastic such as Tupperware, or the left over glass or plastic formula bottles from the hospital nursery. You can also use the freezer kits in breast pump kits.

Keep your breast milk in a separate container or large plastic bag in your freezer, to avoid cross contamination from frozen meat and poultry.

If you have a power outage and some of the foods in your freezer have begun to thaw, you can refreeze your breast milk. Don’t throw it out. The benefits of breast milk are so great, and its antibacterial components will keep it from spoiling.