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首页> 外文期刊>Pediatrics: Official Publication of the American Academy of Pediatrics >Prevalence of breast milk expression and associated factors.
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Prevalence of breast milk expression and associated factors.

机译：母乳表达的患病率及相关因素。

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OBJECTIVES: Our goal was to describe the prevalence of any, occasional, and regular breast milk expression, mothers' reasons for expressing their milk, and sociodemographic factors associated with breast milk expression. PARTICIPANTS AND METHODS: Breastfeeding mothers participating in the 2005-2007 Infant Feeding Practices Study II formed the cohort for these analyses, which were conducted among those with infants in 3 age groups: 1.5 to 4.5 months (n = 1564); >4.5 to 6.5 months (n = 1128); and >6.5 to 9.5 months (n = 914). For the analyses we used frequency and stepwise multiple logistic regression procedures. RESULTS: Eighty-five percent of breastfeeding mothers of infants in the youngest age group had successfully expressed milk at some time since their infant was born. When asked only about the previous 2-week period, 68% of the breastfeeding mothers of infants in this youngest age group had expressed milk, with 43% having done so occasionally and 25% on a regular schedule. Approximately one quarter of breastfeeding mothers of infants in the 2 older infant age groups also expressed milk on a regular schedule. The percentage of mothers expressing milk decreased with increasing infant age. Mothers expressed milk for various reasons. The most frequently cited reason was to get breast milk for someone else to feed their infant. In all 3 age groups, reporting any breast milk expression, compared with none, was positively associated with maternal employment, higher income, lack of previous breastfeeding experience, and living in the Midwest versus the West. In all 3 age groups, expressing milk on a regular schedule, compared with occasionally, was positively associated with maternal employment and the use of an electric versus manual breast pump. CONCLUSIONS: Breast milk expression is a very common practice. It is associated most strongly with maternal employment, a recognized barrier to breastfeeding.
机译：目的：我们的目的是描述任何，偶尔和有规律的母乳表达的患病率，母亲表达乳汁的原因以及与母乳表达相关的社会人口统计学因素。参加者和方法：参加2005-2007年婴儿喂养实践研究II的母乳喂养母亲构成了这些分析的队列，研究对象为3个年龄段的婴儿：1.5到4.5个月（n = 1564）;婴儿年龄在1.5-4.5个月之间。 > 4.5至6.5个月（n = 1128）; > 6.5到9.5个月（n = 914）。对于分析，我们使用了频率和逐步多元逻辑回归程序。结果：最小年龄组的婴儿中有百分之八十五的母乳喂养母亲自婴儿出生后的某个时候成功表达了乳汁。当仅询问前两周的时间时，这个最小年龄组的婴儿中有68％的母乳喂养母亲曾有过乳汁，其中43％偶尔有过乳汁，有规律地有25％这样做。在两个较大的婴儿年龄组中，大约四分之一的母乳喂养婴儿也定期喝牛奶。随着婴儿年龄的增长，母乳喂养的百分比下降。母亲出于各种原因而喝牛奶。最常被引用的原因是要为其他人喂母乳来喂养婴儿。在所有三个年龄组中，报告任何母乳表达的人与无母乳表达的人，与产妇就业，较高的收入，缺乏先前的母乳喂养经历以及居住在中西部与西部的生活呈正相关。在所有三个年龄组中，定期排乳与偶尔进行产妇与使用母乳泵以及电动吸乳器和人工吸乳器呈正相关。结论：母乳表达是一种非常普遍的做法。它与产妇的就业密切相关，这是公认的母乳喂养障碍。

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