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Does breast milk have to be refrigerated before freezing?

Understanding Breast Milk Storage: Refrigeration Before Freezing
When it comes to storing breast milk, many parents wonder about the best practices to ensure their baby’s nutrition and safety. One common question is whether breast milk needs to be refrigerated before it can be frozen. The answer is nuanced and depends on the timing and conditions of storage.
Immediate Storage After Expression
According to guidelines from health organizations, it is recommended to refrigerate breast milk as soon as possible after expressing it. This is crucial because fresh breast milk contains vital nutrients and antibodies that are most beneficial for infants when they are stored properly. If you plan to use the milk within a few days, refrigeration is sufficient. However, if you have excess milk that you want to store for a longer period, freezing is the best option.
Freezing Freshly Expressed Milk
You do not necessarily have to refrigerate breast milk before freezing it. Freshly expressed breast milk can be frozen immediately. However, if you choose to refrigerate it first, it should be done for no more than four days before transferring it to the freezer. This practice helps maintain the quality of the milk, as refrigeration slows down bacterial growth and preserves the milk’s nutritional value.
Best Practices for Freezing
When freezing breast milk, it is essential to use appropriate containers, such as BPA-free plastic bags or bottles designed for freezing. It’s advisable to leave some space in the container, as liquids expand when frozen. Additionally, labeling the containers with the date of expression can help you keep track of how long the milk has been stored.
Thawing and Using Frozen Milk
Once frozen, breast milk can be stored for several months, but it is best used within six months for optimal quality. When it comes time to use the frozen milk, the safest method is to thaw it in the refrigerator overnight. This gradual thawing helps preserve the milk’s nutrients and prevents the growth of harmful bacteria. If you need to thaw it quickly, placing the container in warm water is an acceptable alternative, but it should not be refrozen once thawed.
In summary, while breast milk does not have to be refrigerated before freezing, doing so can help maintain its quality if you plan to store it for a few days. Following proper storage guidelines ensures that your baby receives the best possible nutrition from breast milk, whether it is fresh, refrigerated, or frozen.

How to know if breastmilk is spoiled?

It will also smell bad, much like spoiled cow’s milk. And, like spoiled cow’s milk, breast milk that’s old will taste sour. (It’s fine to taste your breast milk to check!) Always label your pumped milk with a time and date so you can tell how old it is.

What is the 120 pumping rule?

The first 12 weeks of your breastfeeding journey requires frequent breastmilk removal, stimulating healthy milk production. Studies show moms who exclusively pump for a minimum of 120 minutes per day can make enough to feed their babies primarily breastmilk.

Can I refrigerate an unfinished bottle of breastmilk?

Any remaining breast milk left in a bottle after your baby is finished with a feeding should be used within 2 hours—or, if quickly refrigerated, used for the next feeding. You can always thaw an extra container if needed.

Can babies drink cold breast milk?

Breast milk does not need to be warmed. It can be served room temperature or cold.

How long is breastmilk good once out of the fridge?

4 hours
Freshly expressed or pumped milk can be stored: At room temperature (77°F or colder) for up to 4 hours. In the refrigerator for up to 4 days. In the freezer for about 6 months is best; up to 12 months is acceptable.

How long does breast milk last at room temperature after being refrigerated?

Once breast milk is brought to room temperature or warmed, use it within 2 hours. Never refreeze breast milk after it has thawed.

What is the 5 5 5 rule for breast milk?

Something I recommend to moms is the 5-5-5 rule. Try and use milk within five hours at room temperature, five days in the fridge, and by five months in the freezer.

Do I need to refrigerate breast milk before freezing?

Once breast milk is cooled, keep it cool until it is used. Breast milk that has been transported in an insulated cooler bag with frozen ice packs can be refrigerated or frozen. Breast milk frozen with dry ice can be transferred to the freezer or to the refrigerator if you plan to use it in the next few days.

Can you take breast milk out of the fridge and put back in?

Don’t put leftover breast milk back in the fridge to use later or refreeze it. It’s important to follow safety guidelines for breast milk because bacteria can grow in it if you leave it out for too long.

Can you freeze breast milk that’s been sitting out?

Bottom line. It’s best to chill, refrigerate, or freeze breast milk immediately after it’s expressed. If expressed milk is left out unrefrigerated, but it’s in a clean, covered container, it can sit at room temperature for between four and six hours. Milk that has been left out for longer should be thrown away.

Natasha Lunn

Tash is an IBCLC and Business Coach helping fellow IBCLCs create fun, profitable businesses that are more than just an expensive hobby. Before becoming an IBCLC and starting her private practice - The Boobala, Tash graduated as an Osteopath in 2008 and has been in Private Practice in South West Sydney. She was also a volunteer Breastfeeding Counsellor and Community Educator with the Australian Breastfeeding Association for 6 years. Through her business, Your Lactation Biz, Tash coaches and creates products to help new and seasoned IBCLCs build businesses that suit their personality and lifestyle.

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