room temperature - 4 to 8 hours chiller - 3 to 5 days deep frozen - 6 months cooler bag - 12 to 24 hours EBM that being warm but still disnt given to the baby last about 1 hour EBM that didnt finish drank by baby need to be finish within 1 hour. Deep frozen EBM that after being unfreez last for 24 hours.
How u store your breastmilk depends on how soon you want to use it. If you plan to use it within a few days, refrigerating is better than freezing. Freezing milk will mean that it loses some of the nutrients that fight infection, but frozen breastmilk is still better for your baby than formula.
Better google for better explaination from any blog . Read more for better understanding .