A Study of the Composition of Milk from a Patient with Hypothyroidism and Galactorrhea

Abstract
A case of acquired hypothyroidism with precocious puberty and galactorrhea is presented. Qualitative and quantitative abnormalities in the composition of the mammary secretions are given in detail and compared with the composition of normal human milk. The total fat content of the milk was increased without qualitative alterations of fat composition although the quantity of lactose was decreased. The serum albumin component of the milk was increased. The lactalbumin and characteristic casein components were diminished and absent, respectively. The role of the thyroid gland in controlling lactation is discussed although no conclusions can be drawn regarding hormonal influences on specific mammary secretions.

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