dreamygal,
actually milk for our elder girl is only their supplementary food. most nutrients should by now come from the solid already. i read up from the internet and none suggested that our milk is not nutritious for our baby beyond 1 year of age. 1 article i read stated that breast milk was an irreplaceable source of fat and vitamin A!
from kelly.com
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Although there has been little research done on children who breastfeed beyond the age of two, the available information indicates that breastfeeding continues to be a valuable source of nutrition and disease protection for as long as breastfeeding continues.
"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."
-- Mandel 2005
"Breast milk continues to provide substantial amounts of key nutrients well beyond the first year of life, especially protein, fat, and most vitamins."
-- Dewey 2001
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
-- Dewey 2001
Studies done in rural Bangladesh have shown that breastmilk continues to be an important source of vitamin A in the second and third year of life.
-- Persson 1998
It's not uncommon for weaning to be recommended for toddlers who are eating few solids. However, this recommendation is not supported by research. According to Sally Kneidel in "Nursing Beyond One Year" (New Beginnings, Vol. 6 No. 4, July-August 1990, pp. 99-103.):
Some doctors may feel that nursing will interfere with a child's appetite for other foods. Yet there has been no documentation that nursing children are more likely than weaned children to refuse supplementary foods. In fact, most researchers in Third World countries, where a malnourished toddler's appetite may be of critical importance, recommend continued nursing for even the severely malnourished (Briend et al, 1988; Rhode, 1988; Shattock and Stephens, 1975; Whitehead, 1985). Most suggest helping the malnourished older nursing child not by weaning but by supplementing the mother's diet to improve the nutritional quality of her milk (Ahn and MacLean. 1980; Jelliffe and Jelliffe, 1978) and by offering the child more varied and more palatable foods to improve his or her appetite (Rohde, 1988; Tangermann, 1988; Underwood, 1985).