Hi Norma,

No perfect but this is all we have.

Karleen Gribble
Australia

Buckley, K. M. "Long-Term Breastfeeding: Nourishment or Nurturance?" Journal 
of Human Lactation. 17.4 (2001): 304-12.

Mothers frequently describe the primary benefit of breastfeeding beyond a 
year as providing comfort rather than nourishment. Little is known about the 
effect of extended breastfeeding on the growth or nutritional status of 
children in the United States. Data collected on 38 long-term breastfeeding 
children (12 to 43 months old) included growth measurements, breastfeeding 
patterns, and dietary intake obtained through diaries and dietary recalls. 
Although the children's weight-for-age, length/height-for-age, and 
weight-for-length/height Z scores clustered below zero, they fell within two 
standard deviations of the median, suggesting normal growth. The daily time 
and frequency of breastfeeding were not different between the 1-year-old and 
2-year-old age groups but were significantly lower in the 3-year-old age 
group. In an analysis of non-breast milk diets, the children would need an 
average intake of 100 to 460 mL of breast milk per day to meet the RDA for 
energy intake and nutrients that were lower in their diets compared to 
national food intake surveys.

----- Original Message ----- 
From: "Norma Ritter" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Friday, January 18, 2008 4:11 AM
Subject: How much milk?


> Like many of us here on Lactnet, I subscribe to Dr Hale's email list so 
> that
> I can keep up with the latest information on medications in mothers' milk.
> I have noticed that when Dr Hale answers questions about meds being taken 
> by
> mothers who are nursing toddlers, he often mentions that the mother 
> probably
> does not have much milk at that stage.
> Of course some toddlers nurse more frequently than others, and I am aware 
> of
> a great resource  which shows the value of human milk to babies over a 
> year
> of age -- Dewey 2001
> Dewey KG. Nutrition, Growth, and Complementary Feeding of the Breastfed
> Infant. Pediatric Clinics of North American. February 2001;48(1).
> Pediatr Clin North Am. 2001 Feb;48(1):87-104. Nutrition, growth, and
> complementary feeding of the breastfed infant.
> I quote:
>>In the second year (12-23 months), 448 mL of breastmilk provides:
> * 29% of energy requirements
> * 43% of protein requirements
> * 36% of calcium requirements
> * 75% of vitamin A requirements
> * 76% of folate requirements
> * 94% of vitamin B12 requirements
> * 60% of vitamin C requirements<
>
> However, I am interested in any studies that may have been done to show
> actual amounts - the range of milk (quantity) produced.
> (Actually, I would also love to know the *normal* range produced at ALL
> stages of lactation after the milk supply has been established.)
>
> norma, always curious
>
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