Milk storage and transport

  • Check with your hospital for specific instructions.
  • When freezing do not fill bottles/bags more than ¾ full to allow space for expansion.
  • Label bottles/bags with the date of pumping.
Breastmilk Storage (For Healthy Term Babies)
Room Temperature Refrigerator Refrigerator
Freezer
Compartment
Deep Freezer
Freshly expressed breastmilk Do not leave at room temperature. 3 - 5 days at approx. 4° C 6 months at approx. -16° C 12 months at approx. -18° C
Thawed breastmilk (previously frozen) Do not store 10 hours Never refreeze
  • Thaw frozen breastmilk in the refrigerator the night before or by holding the bottle/bag under warm water. Gently shake the bottle/bag to blend any fat that has separated.
  • Do not thaw frozen breastmilk in a microwave or in a pan of boiling water.