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KMID : 0388120140230030179
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Journal of Korean Society for the Study of Obesity
2014 Volume.23 No. 3 p.179 ~ p.186
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Postpartum Weight Change in Lactating Women by Breast-feeding Duration
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Yon Mi-Yong
Lee Haeng-Shin
Kim Do-Hee
Lee Jee-Yeon
Nam Ji-Woon
Moon Gui-Im
Hogn Jin-Hwan
Lee Yoon-Na
Oh Dae-Kyu
Kim Cho-Il
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Abstract
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Background: Breast-feeding is known to help balanced growth and healthy development of infants as well as positively affect mother’s health by restoring pre-gestational weight, among other numerous benefits.
Methods: Food intake and anthropometry data of breast-feeding women who participated in the Special Food Intake Survey for Vulnerable Populations from 2011 through 2013 were used. Out of 1,044 women nursing infants younger than 12 months, 138 obese women (body mass index ≥25.0 based on pre-gestational weight & height) were excluded and data from 906 women with normal body mass index were used for the analysis. Feeding mode, frequency & duration of breast-feeding, height & weight (pre-gestational weight and current weight at the time of survey), and energy intake were analyzed to look into the relationship between change in body weight and progression of breast-feeding.
Results: Mean difference between pre-gestational and current body weight of nursing women decreased as breast-feeding progressed (from 6.6±4.2 kg at 0 months to 1.6±2.5 kg at 11 months) with a negative correlation(r=-0.2363, P<0.0001) where the slope of the regression line was -0.4038 (P<0.0001).
Conclusion: Breast-feeding may be expected to reduce approximately 0.4 kg of weight per month in nursing mother without any intentional weight control.
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KEYWORD
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Nursing women, Breast-feeding, Pre-gestational weight, Weight loss
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