研究以臺北市某區域醫院附設產後護理之家住民及病房產婦為對象，依據產婦個人意願進行哺育方式分組，共分為完全母乳哺育組、混合母乳及配方乳哺育組(混和哺育組)、以及完全配方乳哺育組，比較三組在產後1個月、3個月、6個月體重滯留及身體組成之間的差異性。本研究共招募73人有56人完成實驗，其中母乳哺育組31人，混合母乳及配方乳哺育組14人，配方乳哺育組11人，測量體位並利用生物電阻法分析體組成之變化。結果顯示不同哺育方式的組別在懷孕期間體重增加量相似，在產後6個月的體重滯留量上並沒有差異，但相較於混合哺育及配方乳哺育組，母乳哺育組體脂肪總量、體脂率、腰團、腰臀比在產後六個月皆顯著較產後一個月降低。混和哺育組在脂肪重及體脂肪率可看到顯著下降，在配方乳組則僅在腰圍項目上有顯著降低。此結果顯示雖然全母乳哺餵對產後婦女體重滯留上並無影響，但對產後體位、體脂的改善及整體健康均較配方哺育組有較正面的影響。
This study evaluated changes in the postpartum maternal body composition with 3 different feeding methods including exclusively breast feeding, exclusively formula-feeding, and a combination of breast feeding and formula feeding. Subjects were recruited from the Postpartum Nursing Care Center or obstetrics ward of Taipei City Hospital. Three groups of women containing a total of 73 participants were included according to the method of infant feeding employed during the first 6 months. There were 56 subjects who completed the study, with 31 in breast-feeding group, 14 in the combination group and 11 in formula-feeding group. Body weight loss was recorded, and a bioelectrical impedance analysis was used to measure body composition changes at 1, 3, and 6 months postpartum. Results showed that there were no differences in body weight gain during pregnancy, and postpartum body weight retention did not differ among the 3 different feeding groups. However, compared to the first month, breast-feeding women had a lower body fat mass, fat percent, waist circumference, and waist/hip ratio at 6 month postpartum, whereas only waist circumference changes were found in the formula-feeding group. These results suggest that although breast-feeding mothers did not reduce postpartum weight retention compared to women using the formula- and combinationfeeding methods, lactation still had favorable effects on postpartum body shape recovery and had general health benefits in women.
