Frozen Breast Milk: Safe Storage, Freeze, Thaw | Dennispoint Campground MD

Frozen Breast Milk: Storage Tips

If you freeze expressed breast milk, your partner can also feed your baby, for example, if you are not always able to breastfeed your baby due to work.


  • There are a few things to consider when freezing breast milk. Of course, hygiene comes first, both when pumping and when freezing.
  • Don’t leave breast milk in for too long, but freeze it as soon as possible after pumping.
  • It is best to freeze small portions. Use an appropriate container for this, such as a special milk bag for breast milk.
  • Like any liquid, breast milk expands when it freezes. Do not fill the bag to the end.
  • Label the bag with the fill date. Frozen breast milk should be stored in the freezer for up to six months.
  • Put the breastmilk packages in the bottom of the freezer. There are the smallest temperature fluctuations. Breast milk should be kept at a constant temperature of -18 degrees.

Thawing frozen breast milk: this is how it works

Breast milk should not be thawed at room temperature, much less in the microwave.

  • Put frozen breast milk in the refrigerator for 12 hours to thaw.
  • If you need it faster, hold the breastmilk package under warm running water. The water temperature should not exceed 37 degrees, which is normal body temperature.
  • Different layers have probably formed in the thawed breast milk. Do not shake the milk, just gently shake the sachet or bottle to re-mix the different ingredients.
  • Once the milk is thawed, it should only be kept for a maximum of two hours. During this time, the baby should receive breast milk.
  • Otherwise, it’s best to discard the thawed breast milk. Once thawed, you can no longer freeze breast milk.



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