Can heated breast milk still be placed in the refrigerator for preservation?

Patient's question:

Usually, when I go to work, I store the milk I prepared in the refrigerator and give it to the baby the next day when I go back to work. But today, the milk I prepared was accidentally heated in the refrigerator. Can I still put it back in the refrigerator after cooling it down?

Doctor's answer:

Hello, breast milk for consumption within 3-5 days can be stored in the refrigerator. If you want to store it for a longer period, it should be kept in the freezer of the refrigerator. A single-door freezer can store for 2 weeks. If the freezer maintains a temperature of below -18°C, it can be stored in a frequently opened double-door refrigerator for up to 4 months, or in a separate freezer for up to 6 months. The milk must be cooled first before being placed in the freezer. You can buy some sealed milk storage bags or freeze the milk into ice cubes using ice cube trays, and then heat it up when using.

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