Infant acceptance of breast milk after maternal exercise

Pediatrics
Kc S WrightGale B Carey

Abstract

Previous research reported that breast milk lactic acid (LA) levels increase after lactating women complete a bout of exhaustive exercise, resulting in poor infant acceptance of the postexercise breast milk. This highly publicized finding may not apply to more practical, everyday exercise conditions of lactating women. The purpose of the present study was to reexamine the composition and infant acceptance of postexercise breast milk while controlling maternal diet, exercise intensity, and the method, timing, and assessment of infant feeding. Twenty-four women, 2 to 4 months' postpartum, completed 3 test sessions: a maximal oxygen uptake test, a 30-minute bout of moderate exercise, and a resting control session. One hour before and 1 hour after each session, participants fully expressed their milk, placed it in a bottle familiar to the infant, fed their infant, and rated their infant's acceptance of the milk. Each feeding was videotaped and viewed individually by 3 lactation consultants who rated infant acceptance; consultants were blinded to the test sessions. Milk was analyzed for LA and infant milk consumption was measured. There were no differences in presession versus postsession values for maternal skin temperature, breast...Continue Reading

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Citations

Sep 6, 2003·Canadian Journal of Applied Physiology = Revue Canadienne De Physiologie Appliquée·Gregory A L DaviesUNKNOWN Society of Obstetricians and gynecologists of Canada, SOGC Clinical Practice Obstetrics Committee
May 5, 2006·Medicine and Science in Sports and Exercise
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Apr 9, 2020·Breastfeeding Medicine : the Official Journal of the Academy of Breastfeeding Medicine·Moria Be'erRonit Lubetzky
Sep 5, 2017·The Journal of Steroid Biochemistry and Molecular Biology·Jordan T HallCarol L Wagner
Nov 12, 2018·Physiology & Behavior·Helene M LoosBenoist Schaal

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