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Thread: Does milk change after 1 yr?

  1. #1
    Join Date
    Jan 2007

    Default Does milk change after 1 yr?

    I was trying to find some information on whether or not breastmilk content changes after 1 year of nursing. I tried searching but I couldn't find anything. Someone told me that milk changes after 6 months, due to hormone shifts. But I also heard that it changes at 1 yr. Anyone have any resourses on that? Thanks.


  2. #2
    Join Date
    Jan 2007

    Default Re: Does milk change after 1 yr?

    kellymom.com has some wonderful articles.
    Last edited by colecaitlinchase; January 26th, 2007 at 09:33 PM.

  3. #3
    Join Date
    Dec 2005

    Default Re: Does milk change after 1 yr?

    Well, I won't say that it changes exactly at one year as I wouldn't want to perpetuate the myth that breastmilk changes on that arbitrary date. But, I can say with confidence that human milk changes in some ways, evolves if you will, throughout the duration of breastfeeding. Most importantly, it remains a viable source of nutrition for the duration, as well.

    There have been several interesting studies on the matter. One of the more recent came up with this conclusion:

    Conclusions. Human milk expressed by mothers who have been lactating for >1 year has significantly increased fat and energy contents, compared with milk expressed by women who have been lactating for shorter periods. During prolonged lactation, the fat energy contribution of breast milk to the infant diet might be significant.

    Another research article from 1979:

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