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How to freeze and defrost breast milk?

Freezing Breast Milk: A Comprehensive Guide
Freezing breast milk is an essential skill for breastfeeding mothers, allowing them to store their milk for later use while ensuring it remains safe and nutritious for their babies. Here’s a detailed look at how to effectively freeze and later defrost breast milk.
Preparing to Freeze Breast Milk
Before freezing, it’s crucial to express the milk properly. Use a clean breast pump or hand expression technique to collect the milk. Once collected, follow these guidelines for storage:
– Containers: Use BPA-free plastic bottles or breast milk storage bags specifically designed for freezing. These containers should be clean and sterilized to prevent contamination.
– Portioning: Freeze breast milk in small amounts, typically 2 to 4 ounces. This practice helps minimize waste, as you can thaw only what you need for each feeding.
– Labeling: Always label the containers with the date and time of expression. This helps you keep track of how long the milk has been stored.
Freezing Process
Once you have expressed and stored the milk, place it in the freezer. For optimal preservation, store the milk in the back of the freezer where the temperature is most consistent. Breast milk can be safely frozen for up to six months, although using it within three months is ideal for maintaining the best quality.
Thawing Breast Milk: Best Practices
When it’s time to use the frozen breast milk, proper thawing is essential to retain its nutritional value and safety. Here are the recommended methods:
– Refrigerator Thawing: The safest way to thaw breast milk is to transfer it from the freezer to the refrigerator. This method can take several hours or overnight, but it ensures that the milk remains at a safe temperature.
– Warm Water Method: If you need to thaw the milk more quickly, you can place the sealed container under warm running water. This method is effective but requires careful monitoring to avoid overheating.
– Avoid Microwave: Never thaw breast milk in the microwave, as it can create hot spots that may burn your baby’s mouth and can also degrade the milk’s quality.
Warming Thawed Milk
After thawing, if the milk is cold, you may want to warm it before feeding. To do this, place the container in a bowl of warm water or under warm running water until it reaches body temperature. Always test the milk on your wrist to ensure it’s not too hot before offering it to your baby.
Storage Duration and Safety Tips
Once thawed, breast milk should be used within 24 hours if kept in the refrigerator. Do not refreeze thawed breast milk, as this can compromise its safety and quality. Additionally, if your baby does not finish a bottle of thawed milk, it should be discarded after one hour to prevent bacterial growth.
In conclusion, freezing and thawing breast milk is a straightforward process that, when done correctly, ensures that your baby receives the best nutrition possible. By following these guidelines, you can confidently manage your breast milk supply, making feeding times easier and more flexible.

How to know if frozen breast milk is bad?

The milk is likely to have a very distinctive sour smell and may even taste metallic, like soap or bitter. If it smells sour, it is very likely because of the lipase enzyme’s action on the fat content of breast milk.

Is it OK to freeze and unfreeze milk?

However, as long as freezing happens on or before the best before date, it is fine to freeze milk and thaw it for later use. The texture of thawed milk may be different from fresh milk, but the solids and liquid usually recombine when a person shakes or blends it.

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 babies drink cold breast milk?

You can feed expressed milk straight from the fridge if your baby is happy to drink it cold. Or you can warm the milk to body temperature by putting the bottle in a jug of warm water or holding it under running warm water. Do not use a microwave to heat up or defrost breast milk.

What are the rules for frozen breast milk?

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.

Can I mix breast milk from different days?

Can I add freshly expressed breast milk to already stored milk? You can add freshly expressed breast milk to refrigerated or frozen milk. However, thoroughly cool the freshly expressed breast milk in the refrigerator or a cooler with ice packs before adding it to previously chilled or frozen milk.

How do you freeze and unfreeze breast milk?

Store breast milk toward the back of the deep freezer. Breast milk expands as it freezes, so do not fill the storage container all the way to the top. To thaw breast milk, put the bottle or bag in the refrigerator overnight, hold it under warm running water, or set it in a container of warm water.

How long is breastmilk good after you unfreeze it?

within 24 hours
Using thawed breastmilk
Milk thawed in the refrigerator must be used within 24 hours. Milk thawed to room temperature or warmer should ideally be used in 1 to 2 hours. If your baby didn’t finish the bottle, the leftover breastmilk can still be used within 2 hours after the baby is done feeding.

How long does it take for frozen breast milk to thaw?

around 12 hours
Breast milk can be defrosted in the fridge, normally in around 12 hours. Alternatively, hold the bottle or bag of frozen milk under warm running water (a maximum of 37 °C or 99 °F). Don’t leave frozen breast milk to defrost at room temperature.’);})();(function(){window.jsl.dh(‘3pJoZ-aGIfyC1fIPiezo0Aw__33′,’

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.

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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