Then, once the milk is defrosted, you can put it into the bottle that will be used for feeding and back in the fridge. Milk should not be thawed at room temperature. Frozen milk should not be refrozen. Once it has been thawed, it should be used within 24 hours.
Keeping this in consideration, how long after breast milk is thawed is it good for?
If you have defrosted milk in the refrigerator, it can be stored in there for 24 hours as long as you have not warmed it. If you defrosted it at room temperature, you can keep it in the refrigerator for 4 hours. However, Do not be tempted to refreeze it.
Can you refrigerate thawed breast milk?
Thaw milk overnight in the refrigerator, or hold the bottle under warm running water to quickly thaw. You can also place the sealed container in a bowl of warm water for 20 minutes to bring it to body temperature. Thawed milk is safe in the refrigerator for 24 hours. DO NOT REFREEZE.