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Is it OK to mix breastmilk and formula milk?

Mixing Breast Milk and Formula: A Safe Approach for Parents
In the world of infant feeding, the question of whether it is acceptable to mix breast milk and formula often arises among new parents. The short answer is yes, it is generally safe to combine the two, provided certain guidelines are followed to ensure the health and safety of the baby.
The Benefits of Mixing
Many parents choose to mix breast milk with formula for various reasons. For instance, transitioning away from exclusive breastfeeding can be a gradual process, allowing babies to adjust to the taste of formula while still receiving the nutritional benefits of breast milk. This approach can be particularly beneficial for mothers who may be experiencing a decrease in milk supply or those who need to return to work.
Guidelines for Safe Mixing
When it comes to the practicalities of mixing breast milk and formula, there are important steps to follow. First, it is crucial to prepare the formula according to the manufacturer’s instructions. Once the formula is ready, it can be combined with breast milk in the same bottle. However, it is recommended to shake the bottle gently to mix the two thoroughly.
One key point to remember is that once breast milk and formula are mixed, the bottle should be used within 24 hours if refrigerated. This is essential to prevent any bacterial growth that could harm the baby. Additionally, if the formula is premade, it should be consumed within one day.
Considerations for Parents
While mixing breast milk and formula is safe, some experts suggest that it might be preferable to offer them in separate feedings. This approach can help maintain the integrity of the breast milk and allow parents to monitor their baby’s reactions to each type of milk more effectively. For parents who are concerned about their baby’s acceptance of formula, starting with small amounts mixed with breast milk can help ease the transition.
Conclusion
In conclusion, mixing breast milk and formula can be a practical solution for many families, allowing for flexibility in feeding while still providing essential nutrients to the baby. By following safe preparation and storage guidelines, parents can confidently navigate this feeding method, ensuring their little ones receive the best possible care.

Can I breastfeed during the day and formula feed at night?

Yes, of course it’s okay 🙂 Your body makes most of her food, it’s critical that you take care of your body too by getting the rest you need. Formula is not going to put her at higher risk at night than breast milk would.

Why should I not mix formula with breast milk?

Mixing formula into human milk decreases some of the protective components of human milk. Research has found that when cow milk formula is mixed with human milk prior to feeding, there is a significant (41-74%) decrease in the activity of lysozyme, an antimicrobial enzyme in the milk.

What happens when you mix breast milk and formula?

Mixing the two together may get them used to this unfamiliar flavor more readily. Baby may sleep for longer stretches. It takes more time for a baby’s body to process formula, so they might be able to go longer stretches of time in between feeds if you’re using both breast milk and formula together.

Which formula is closest to breast milk?

Here’s a list of some of the top brands known for their “closest to breastmilk” formulas:

  • Formula 1: Enfamil Enspire.
  • Formula 2: Similac Pro-Advance.
  • Formula 3: Gerber Good Start Gentle.
  • Formula 4: Earth’s Best Organic Infant Formula.
  • Formula 5: Holle Organic Infant Formula.

Can switching between breastmilk and formula upset the stomach?

Changing from breastmilk to formula side effects like gas, upset stomach, and even constipation is possible if you make the change quickly. Wait three to four weeks before supplementing or switching from breastfeeding to formula. Wean your baby off breast milk gradually to allow their bodies and yours to adjust.

Can mixing breastmilk and formula cause gas?

Because breastmilk is easy to digest, you may notice an increase in baby toots when supplementing with formula. Plus, babies can be sensitive to lactose or milk proteins in formula, which may cause gassiness.

Why is mixed feeding not recommended?

This is because mixing between feeds can irritate baby’s stomach and this can increase the risk of transmission. Is baby on their own treatment?

Can I give my baby milk I pumped at night during the day?

The milk’s unique composition may help to tell day from night. Milk given to babies at a different time to when it was pumped could affect the development of their circadian rhythm. Human breast milk is more than a meal – it’s also a clock, providing time-of-day information to infants.

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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