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Hydration as a limiting factor in lactation

1998; Wiley; Volume: 10; Issue: 2 Linguagem: Inglês

10.1002/(sici)1520-6300(1998)10

1520-6300

Gillian R. Bentley,

Birth, Development, and Health

American Journal of Human BiologyVolume 10, Issue 2 p. 151-161 Hydration as a limiting factor in lactation G.R. Bentley, Corresponding Author G.R. Bentley [email protected] Department of Biological Anthropology, University of Cambridge, Cambridge, United KingdomDepartment of Biological Anthropology, University of Cambridge, Downing Street, Cambridge CB2 3DZ, U.K.Search for more papers by this author G.R. Bentley, Corresponding Author G.R. Bentley [email protected] Department of Biological Anthropology, University of Cambridge, Cambridge, United KingdomDepartment of Biological Anthropology, University of Cambridge, Downing Street, Cambridge CB2 3DZ, U.K.Search for more papers by this author First published: 07 December 1998 https://doi.org/10.1002/(SICI)1520-6300(1998)10:2 3.0.CO;2-OCitations: 14AboutPDF ToolsRequest permissionExport citationAdd to favoritesTrack citation ShareShare Give accessShare full text accessShare full-text accessPlease review our Terms and Conditions of Use and check box below to share full-text version of article.I have read and accept the Wiley Online Library Terms and Conditions of UseShareable LinkUse the link below to share a full-text version of this article with your friends and colleagues. Learn more.Copy URL Share a linkShare onEmailFacebookTwitterLinkedInRedditWechat Abstract A relatively untapped area of research concerning lactation and hydration exists for bioanthropologists interested in the ecology of breastfeeding. This review details current limited knowledge on the topic with recommendations about relevant research questions for human biologists. On average, lactating mothers produce >750 ml/day milk for their infants. Breastfeeding thus promotes a powerful thirst stimulus in the lactating mother, resulting in a 12–16% increase in fluid intake among Western women. Thirst during lactation may be mediated by oxytocin release, since this hormone is structurally similar to the antidiuretic hormone, vasopressin. Prolactin also may be involved. A few studies among Western women concluded that moderate dehydration does not affect milk production, but it is not known how lactating women in hot and/or dry climates respond to chronically limited water supplies. Lactating women in such environments may use both physiological and behavioral adaptations to conserve fluid requirements, such as reducing activities during breastfeeding and carrying extra fluid supplies while travelling. Given the limited state of knowledge on lactation and hydration, future field studies should incorporate research to determine the importance of adequate fluids in maintaining milk production and the health of both mothers and infants. Am. J. Hum. Biol. 10:151–161, 1998. © 1998 Wiley-Liss, Inc. Literature Cited Adler RA, Herzberg VL, Brinck-Johnsen T, Weyl Sokol H (1986) Increased water excretion in hyperprolactinemic rats. Endocrinology 118: 1519–1524. Adolph AF (1947) Physiology of Man in the Desert. New York: Interscience Publishers. Almroth SG (1978) Water requirements of breast-fed infants in a hot climate. Am. J. Clin. Nutr. 31: 1154–1157. 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