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HUMAN MILK STUDIESVII. CHEMICAL ANALYSIS OF MILK REPRESENTATIVE OF THE ENTIRE FIRST AND LAST HALVES OF THE NURSING PERIOD
ICIE G. MACY, PH.D.;
BETTY NIMS, A.B.;
MINERVA BROWN, A.B.;
HELEN A. HUNSCHER, B.S.
Am J Dis Child. 1931;42(3):569-589.
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The milk secreted by women has been shown to vary in composition between wide limits,1 and it is difficult to define a standard composition of milk that will adequately supply the nutritive needs of all growing infants. Observations have shown that breast milk may vary considerably from time to time as the constituents change in concentration throughout the progression of the period of lactation. It may vary from day to day, at different times of the day and night and during a single nursing period. However, individuality in the composition of the milk of the individual woman tends to persist. Furthermore, a study of the internal and external factors influencing the secretion of human milk indicates that certain functions may have a bearing on the changes in the composition of the milk itself. It has been demonstrated that the following conditions may be effective in altering the quality and
. . . [Full Text PDF of this Article]
Author Affiliations
DETROIT
From the Nutrition Research Laboratories of the Merrill-Palmer School and the Children's Hospital of Michigan, now the Research Laboratories of the Children's Fund of Michigan.
Footnotes
Submitted for publication, Jan. 21, 1931.
The term "nursing period" is used for a single feeding of the baby and "lactation period" for the whole duration of lactation.
Miss Minerva Brown died in 1929. During the later progress of these studies, she had pursued graduate study elsewhere.
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