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Breast-milk fat concentrations of rural African women

2. Long-term variations within a community

Published online by Cambridge University Press:  09 March 2007

Ann Prentice ,
A. M. Prentice  and
R. G. Whitehead
Ann Prentice
Affiliation:
Dunn Nutrition Unit, Medical Research Council, Cambridge, England and Keneba, The Gambia
A. M. Prentice
Affiliation:
Dunn Nutrition Unit, Medical Research Council, Cambridge, England and Keneba, The Gambia
R. G. Whitehead
Affiliation:
Dunn Nutrition Unit, Medical Research Council, Cambridge, England and Keneba, The Gambia
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Abstract

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1. Long-term variations in breast-milk fat concentration of mothers feeding on demand were studied in 120 rural West African women over a 12-month period.

2. The over-all mean 12 h breast-milk fat concentration was 39.3 g/l.

3. Mean breast-milk fat concentrations were affected by season in a manner which was correlated with seasonal changes in maternal subcutaneous fat stores (P > 0.05) but which was unrelated to seasonal variations in maternal energy intake and breast-milk output.

4. Breast-milk fat concentrations were highest in early lactation, decreasing to a constant level during the first year.

5. There was significantly greater between-mother than within-mother variation in breast-milk fat concentrations measured in successive months, after correcting for season and stage of lactation (P > 0.001).

6. Breast-milk fat concentrations were highest for primiparous mothers, decreasing to a constant level at parity 4 and higher.

7. A mother's relative breast-milk fat concentration was not correlated with her levels of dietary energy intake and breast-milk output but was positively correlated with her relative subcutaneous fat deposits (P > 0.01).

Type
Papers of direct relevance to Clinical and Human Nutrition
Information
British Journal of Nutrition , Volume 45 , Issue 3 , May 1981 , pp. 495 - 503
Copyright
Copyright © The Nutrition Society 1981

References

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