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How to Store and Warm Breast Milk?

How should I store and warm my breast milk?


How should I store and warm my breast milk?

The Bump Expert

The right way to store your breast milk depends on what works best for your schedule. If you have to return to the workplace and plan on having a large supply you’ll want to keep for a long time, you may want to consider freezing some. But if you work from home and only need a little bit at a time, you could store some in the fridge. The longest you can store breast milk, using different methods, is as follows:

- Freezer: 3 to 4 months
- Refrigerator: 8 days
- Cooler with ice packs: 24 hours
- Room temperature: 4 to 10 hours

Keep in mind that you’ll want to prepare baby’s breast milk safely and properly. Once the milk is thawed, there’s a limited time frame for feeding it to baby. If thawed in the fridge, it can be stored there for 24 hours, or at room temperature for four hours. If it’s been thawed and warmed, it can be stored in the fridge for four hours.

It’s also important to warm baby’s milk correctly! As easy as it may be, don’t use the stove top or microwave to heat breast milk, since both can change the milk’s antibody and nutritional makeup. The recommended way to warm it is to run warm water over the sides of the bottle -- making sure to keep the water away from the nipple or lid so it doesn’t mix with the milk. The best way to do this is to put the bottle in a bowl with sides lower than the bottle’s top. Run the warm water directly into the bowl. Breast milk is ready for baby when it’s between room and body temperature.

Nancy Mohrbacher, IBCLC, FILCA