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Journal of Human Lactation
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Article

Changes in Breast Hemodynamics in Breastfeeding Mothers

Kayo Ogawa, Takashi Kusaka*, Kimie Tanimoto, Tomoko Nishida, Kenichi Isobe, and Susumu Itoh

* To whom correspondence should be addressed. E-mail: kusaka{at}med.kagawa-u.ac.jp.


  Abstract
The purpose of the present study was to measure changes in blood volume and the oxygenation state of breast tissue during breastfeeding with the use of near-infrared time-resolved spectroscopy (TRS) as a noninvasive method. Forty breastfeeding mothers were divided into 2 groups in which measurements were made in the contralateral breast (group A) and in the ipsilateral breast (group B). The tissue concentrations of oxyhemoglobin, deoxyhemoglobin, and total hemoglobin and the hemoglobin oxygen saturation were measured in the breast by using TRS during a breastfeed. In both groups A and B, the values of all parameters decreased significantly after the start of breastfeeding compared with the prebreastfeeding values. The values of all parameters fluctuated cyclically after the beginning of the breastfeed. Time-resolved spectroscopy is an effective noninvasive method for investigating the hemodynamics of the breast during breastfeeding.

First published on September 10, 2008, doi:10.1177/0890334408323546

Journal of Human Lactation 2008;24:415.

A more recent version of this article appeared on November 1, 2008

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