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Can you mix refrigerated breast milk with thawed?

Mixing Refrigerated and Thawed Breast Milk: What You Need to Know
When it comes to feeding your baby, ensuring the safety and quality of breast milk is paramount. A common question among breastfeeding parents is whether it is safe to mix refrigerated breast milk with thawed milk. The answer is nuanced and depends on several factors.
Safety Concerns with Mixing Milk
According to guidelines from health organizations, mixing freshly expressed breast milk with previously frozen and thawed milk is generally not recommended. The primary concern is that adding fresh milk to thawed milk can inadvertently rewarm the older milk, which may compromise its safety and nutritional quality. Thawed breast milk should ideally be used within 24 hours if stored in the refrigerator, and once it has been thawed, it should not be refrozen.
Best Practices for Mixing
If you find yourself in a situation where you need to combine these two types of milk, there are some best practices to follow. It is advisable to cool freshly expressed milk in the refrigerator until it reaches a similar temperature to the thawed milk before mixing. This approach minimizes the risk of warming the thawed milk, thus maintaining its integrity.
Moreover, if you do decide to mix the two, it is crucial to use the combined milk immediately. This ensures that the milk remains safe for your baby and reduces the risk of bacterial growth.
Practical Tips for Parents
For parents navigating the complexities of breast milk storage, here are a few practical tips:
– Thawing Method: Always thaw frozen breast milk in the refrigerator or by placing it in warm water. Avoid using a microwave, as this can create hot spots and degrade the milk’s quality.
– Storage Duration: Remember that thawed breast milk can be kept in the refrigerator for up to 24 hours. After this period, any unused milk should be discarded.
– Mixing Before Feeding: If you need to mix thawed milk with fresh milk, do so right before feeding to ensure the best quality and safety for your baby.
In conclusion, while mixing refrigerated and thawed breast milk is not outright forbidden, it requires careful consideration of safety practices. By following recommended guidelines, parents can ensure that their babies receive the best nutrition possible while minimizing any health risks.

Can I mix breast milk from two different days?

The International Milk League and Alba Lactancia Materna mention that if you can mix breast milk from other days or sessions. As long as both milks are at the same temperature and that the mixture is used within 24 hours.

How long is breast milk good for after thawing?

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 can breast milk be left out after refrigerated?

Storing breast milk after expressing
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 pump into the same bottle all day?

Milk stays good for 4 hours if you leave it at room temperature after pumping. So, you can pump into the same bottle within the 4 hours timeframe. Once the 4-hour timeframe has elapsed, you can either give the milk to your baby or store it in the fridge or freezer for future meals.

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 you mix thawed breast milk with refrigerated?

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.

Does breast milk have to be the same temperature before mixing?

The American Academy of Pediatrics previously stated: “Mothers can mix warm milk and cold, or even consider pooling milk from 24 hours together, which may help even out variability in nutrients due to pumping time or breast emptying (which influences fat content of the milk).”

Can I mix thawed breast milk with refrigerated breast 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.

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.

Can you mix fresh breast milk with refrigerated breast milk?

Mixing freshly expressed breast milk with already cooled or frozen milk is not advised because it can rewarm the older stored milk. It is best to cool freshly expressed milk before combining it with older, previously cooled or frozen milk. Also consider storage duration guidelines for breast milk.

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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