Hourly Breast Expression to Estimate the Rate of Synthesis of Milk and Fat

Jacqueline C. Kent; Hazel Gardner; Ching-Tat Lai; Peter E. Hartmann; Kevin Murray; Alethea Rea; Donna T. Geddes

doi:10.3390/nu10091144

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Hourly Breast Expression to Estimate the Rate of Synthesis of Milk and Fat

Journal article

Open access

Peer reviewed

Hourly Breast Expression to Estimate the Rate of Synthesis of Milk and Fat

Jacqueline C. Kent, Hazel Gardner, Ching-Tat Lai, Peter E. Hartmann, Kevin Murray, Alethea Rea and Donna T. Geddes

Nutrients, Vol.10(9), 1144

2018

DOI: https://doi.org/10.3390/nu10091144

PMCID: PMC6165356

PMID: 30135368

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Abstract

Life Sciences & Biomedicine

Nutrition & Dietetics

Science & Technology

Objective measurement of the rate of synthesis of breast milk and fat in breastfeeding mothers requires test-weighing of each breastfeed and the measurement of each expression from each breast over 24 h, with the collection of milk samples before and after each breastfeed and expression. We sought an abbreviated technique for measuring these rates of synthesis. Participants completed a 24-h breastfeeding milk profile, and expressed their breasts on arrival at the research room and each hour thereafter for 3 h (4 expressions). The hourly rate of milk synthesis, as measured by the yield of milk from the fourth expression, was closely related to the hourly rate of milk synthesis calculated from the 24-h milk profile. The hourly rate of fat synthesis, calculated from the fat content of small samples of the first and last milk expressed during the fourth expression, was different from the rate of fat synthesis calculated from the fat content and volumes of all the breastfeeds and expressions during the 24-h milk profile. The study confirms the use of an abbreviated technique to measure the rate of breast milk synthesis, but is not reliable as a measure of the rate of fat synthesis for an individual.

Details

Title: Hourly Breast Expression to Estimate the Rate of Synthesis of Milk and Fat
Authors/Creators: Jacqueline C. Kent - The University of Western Australia
Hazel Gardner - The University of Western Australia
Ching-Tat Lai - The University of Western Australia
Peter E. Hartmann - The University of Western Australia
Kevin Murray - The University of Western Australia
Alethea Rea - The University of Western Australia
Donna T. Geddes - The University of Western Australia
Publication Details: Nutrients, Vol.10(9), 1144
Publisher: MDPI
Number of pages: 9
Grant note: Medela AG
Identifiers: 991005579945107891
Murdoch Affiliation: School of Mathematics, Statistics, Chemistry and Physics; Centre for Terrestrial Ecosystem Science and Sustainability
Language: English
Resource Type: Journal article

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12 Record Views

11 Times Cited - Web of Science

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Citation topics: 1 Clinical & Life Sciences; 1.72 Obstetrics & Gynecology; 1.72.891 Breastfeeding
Web Of Science research areas: Nutrition & Dietetics
ESI research areas: Agricultural Sciences