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ICIE G. MACY; HELEN A. HUNSCHER; EVA DONELSON; BETTY NIMS

Am J Dis Child. 1930;39(6):1186-1204.

	Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings.

Though many rational theories have been advanced on the subject, it is not known whether nervous, chemical or glandular agents operate to start the flow of milk. Even seemingly convincing experimental evidences are contradictory concerning the causes of the hypertrophy of the mammary glands during pregnancy and their secretory activity immediately after parturition. There is a general opinion that nervous shock, certain psychic states caused by the presence or absence of the suckling reflex and the emotional status and environment of the mother affect the flow of milk. The perturbation accompanying these factors is evidently not a direct nervous mechanism, since it has been shown experimentally that the severance of the spinal cord in woman¹ and in other mammals² and of the nerves supplying the mammary glands³ causes no untoward influence on the secretory activity of the glands. This evidence is further substantiated by the results of . . . [Full Text PDF of this Article]

Author Affiliations
Merrill-Palmer School Fellow in Nutrition Research, 1926-1927; Merrill-Palmer School Fellow in Nutrition Research, 1927-1928; DETROIT

From the Nutrition Research Laboratories of the Merrill-PalmerSchool and The Children's Hospital of Michigan.

Footnotes
Submitted for publication, Jan. 11, 1930.

National Research Council Fellow in Child Development and Parent Training under a grant of the Spelman Fund, 1927-1928, and National Research Council Fellow in Child Development under a grant of the Spelman Fund, 1929-1930.

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