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What happens to breast milk after 1 year in the freezer?

Understanding the Longevity of Frozen Breast Milk
Breast milk is a precious resource for many parents, providing essential nutrients and antibodies to infants. However, questions often arise about the safety and quality of breast milk after extended periods in the freezer. Specifically, what happens to breast milk after one year in the freezer?
Storage Guidelines and Safety
According to guidelines from health organizations, breast milk can be safely stored in a freezer at 0°F (-18°C) or below for up to 12 months. While this duration is acceptable, the optimal storage time is generally recommended to be around 6 months for the best quality. After one year, while the milk may still be safe to consume if it has been kept at the proper temperature, its nutritional quality and taste may begin to deteriorate.
Nutritional Quality Over Time
Research indicates that the nutritional composition of breast milk can change over time, even when frozen. After a year, the levels of certain beneficial components, such as antibodies and vitamins, may decline. This degradation can affect the milk’s overall effectiveness in providing immune support to the infant. Parents should be aware that while the milk may not pose a health risk, it might not deliver the same benefits as fresher milk.
Signs of Deterioration
When thawing breast milk that has been frozen for an extended period, parents should look for signs of spoilage. Breast milk can separate and may appear to have a yellow, orange, blue, or green tint, which is normal. However, if the milk has an off smell or unusual texture, it is advisable to discard it. Additionally, if there are still ice crystals present in the milk, it is considered safe to refreeze it.
Practical Considerations
For parents who have stored breast milk for a year, it is crucial to handle thawed milk properly. Once thawed, breast milk should be used within 24 hours if kept in the refrigerator, or within two hours if warmed. This ensures that the milk remains safe for the baby to consume.
Conclusion
In summary, while breast milk can be stored in the freezer for up to a year, its nutritional quality may diminish over time. Parents should monitor the milk for any signs of spoilage and adhere to safe thawing practices to ensure their infants receive the best possible nutrition. Ultimately, fresh breast milk is always preferable, but understanding the implications of long-term storage can help parents make informed decisions about their child’s diet.

Can you use breast milk after 12 months?

After 12 months, they recommend continued nursing “as long as you and your baby desire it”. The AAP does not recommend an upper age limit for weaning from breastfeeding. If you want to continue breastfeeding, be sure to avoid the pitfalls that can lead to weaning resistance.

Does breast milk lose nutritional value after 1 year?

Breast milk continues to provide good nutrition and immune protection to your child during the second year of life and beyond. It’s easy for your baby to digest, and doesn’t need to be purchased or prepared. Extended nursing also offers health benefits for the nursing parent.

Can you use 1 year old frozen breast milk?

Remember that labeling your milk is especially important so that you can make sure that you are using your milk within a safe time frame. Per the CDC, frozen milk should be used within 6 months, up to 12 months is acceptable (esp in a deep freezer).

What causes frozen breast milk to go bad?

One theory is that lipases, which are enzymes that naturally occur in human milk, continue working even when milk is frozen, breaking down fats and releasing fatty acids that can smell soapy or metallic.

Is breastmilk still good for 1 year old?

1-year-old breastfed babies will benefit from continuing to nurse for as long as both mom and baby are happy with the arrangement. When it comes time to wean from nursing, your baby can also start to take whole milk. Your toddler should get 16-24 ounces of milk per day.

Is breast milk not good after 1 year?

Breastmilk or infant formula should be your baby’s main source of nutrition for around the first year of life. Health professionals recommend exclusive breastfeeding for 6 months, with a gradual introduction of appropriate foods in the second 6 months and ongoing breastfeeding for 2 years or beyond.

What happens if a baby drinks old breast milk?

Based on research published on the Unair website, breast milk that is stored for a long time can be contaminated by various bacteria. One of them is E. coli. This bacteria can cause digestive tract infections such as diarrhea.

Is breast milk still beneficial after 1 year?

The importance of breastfeeding for the growth and health of infants in the first year of life is well-established and there is convincing evidence that breastfeeding beyond 12 months has a positive influence on a child’s health and development [2,3].

What happens to breastmilk after 1 year in the freezer?

There’s nothing to suggest long-term frozen breastmilk will harbor pathogens, but it seems likely that there is some degradation of nutrients. I will say these figures are small — say, 3 to 10%. Put differently: if you feed your baby milk that has been frozen for 6 months, they might need more.

Is frozen milk good after 2 years?

Thawing and Using Frozen Milk
Frozen milk will keep for up to three months in the freezer, although it’s best to use it sooner than later, as it can absorb odors from other foods in the freezer the longer it’s in there. When you’re ready to use the milk, place it in the refrigerator to thaw.

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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