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Is it okay to mix freshly pumped breast milk with refrigerated?

Mixing Freshly Pumped Breast Milk with Refrigerated Milk: What You Need to Know
The question of whether it is safe to mix freshly pumped breast milk with refrigerated milk is one that many breastfeeding mothers grapple with. Understanding the guidelines and best practices can help ensure that infants receive the safest and most nutritious milk possible.
Breast Milk Safety Guidelines
According to experts, the primary concern when mixing breast milk is the temperature and the storage conditions of the milk. Freshly pumped breast milk can contain higher levels of bacteria than milk that has been stored in the refrigerator. Therefore, it is crucial to consider the following guidelines:
1. Temperature Matters: Freshly expressed breast milk should be at room temperature (up to 77°F or 25°C) if it is to be mixed with refrigerated milk. If the fresh milk is warm, it can raise the temperature of the refrigerated milk, potentially promoting bacterial growth.
2. Storage Time: Freshly pumped breast milk can be stored at room temperature for up to four hours and in the refrigerator for up to four days. If the refrigerated milk is nearing the end of its storage life, it may not be advisable to add fresh milk to avoid compromising the quality.
3. Mixing Fresh and Refrigerated: The general consensus among lactation consultants is that it is acceptable to mix freshly expressed milk with refrigerated milk as long as the freshly expressed milk is cooled to the same temperature as the refrigerated milk before combining. This helps to maintain the safety and quality of the milk.
Best Practices for Mixing
To ensure the safety of your breast milk, follow these best practices:
– Cool Down Fresh Milk: If you have just pumped and want to mix it with refrigerated milk, consider cooling the fresh milk in the refrigerator for a short time before combining.

– Label and Store: Always label your breast milk with the date and time of expression. This practice helps keep track of storage times and ensures that older milk is used first.
– Avoid Rewarming: Never rewarm breast milk that has been mixed with freshly pumped milk. If you have to reheat it, do so gently and consume it within 24 hours.
Conclusion
In summary, mixing freshly pumped breast milk with refrigerated milk can be safe when done correctly. By adhering to guidelines on temperature and storage, mothers can provide their infants with nutritious and safe breast milk. Always consult with a healthcare provider or a lactation consultant if there are specific concerns or questions regarding breast milk storage and feeding practices.

How long is breast milk good for after pumping?

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 can refrigerated breast milk sit out?

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.

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).”

Why is mixed feeding not recommended?

If your mixed feeding involves exchanging some breastfeeds for baby formula, then your baby will not receive as many benefits as they normally would if they were exclusively breastfed. As such, their immune system may not be as well protected from certain infections1.

Can I mix fresh breast milk with refrigerated breast milk?

Combining breast milk: According to the CDC’s and AAP’s most recent statements, breast milk should not be combined at different temperatures. However, you can combine breast milk from the same day.

Can I mix fresh breast milk with cold formula?

First, temperature: It’s safe to serve mixed breast milk and formula cold, “but some babies don’t like it that way,” says Kendall-Tackett. If baby balks at cold milk, you might need to warm their bottle. Set the prepared bottle in a container of warm water or use a bottle warmer for several minutes.

Can you mix pumped breast milk from different sessions?

If you pumped both breasts at once and the total amount of milk will fill one bottle no more than two-thirds full, you may combine the contents in one bottle by carefully pouring the milk from one sterile container into the other. Don’t combine milk from different pumping sessions when pumping for a high-risk baby.

Is 2 oz of breastmilk the same as 2 oz of formula?

Try not to compare the amount of breastmilk in a bottle to formula in a bottle because they will mostly likely be different. Breastfed babies typically eat less at a feeding because breastmilk has more nutrients per ounce, and babies digest breastmilk more fully than formula.

What are the rules for pumped breast milk?

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. Recommended storage times are important to follow for best quality.

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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