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超重女性孕期体重过度增加会导致婴儿体脂率升高。

Higher infant body fat with excessive gestational weight gain in overweight women.

机构信息

New York Obesity Nutrition Research Center, New York, NY, USA.

出版信息

Am J Obstet Gynecol. 2011 Sep;205(3):211.e1-7. doi: 10.1016/j.ajog.2011.04.004. Epub 2011 Apr 14.

Abstract

OBJECTIVE

Gestational weight gain (GWG) is positively associated with birthweight and maternal prepregnancy body mass index (BMI) is directly related to infant fat mass (FM). This study examined whether differences exist in infant body composition based on 2009 GWG recommendations.

STUDY DESIGN

Body composition was measured in 306 infants, and GWG was categorized as appropriate or excessive. Analysis of covariance was used to investigate the effects of GWG and prepregnancy BMI and their interaction on infant body composition.

RESULTS

Within the appropriate group, infants from obese mothers had greater percent fat (%fat) and FM than offspring from normal and overweight mothers. Within the excessive group, infants from normal mothers had less %fat and FM than infants from overweight and obese mothers. A difference was found for %fat and FM within the overweight group between GWG categories.

CONCLUSION

Excessive GWG is associated with greater infant body fat and the effect is greatest in overweight women.

摘要

目的

妊娠体重增加(GWG)与出生体重呈正相关,而孕妇孕前体质量指数(BMI)与婴儿脂肪量(FM)直接相关。本研究旨在探讨基于 2009 年 GWG 建议,婴儿的身体成分是否存在差异。

研究设计

对 306 名婴儿进行身体成分测量,并将 GWG 分为适当或过多。采用协方差分析来研究 GWG 和孕前 BMI 及其相互作用对婴儿身体成分的影响。

结果

在适当组内,肥胖母亲的婴儿脂肪百分比(%fat)和 FM 比正常和超重母亲的婴儿更高。在过多组内,正常体重母亲的婴儿的%fat 和 FM 比超重和肥胖母亲的婴儿少。在超重组内,GWG 类别之间的%fat 和 FM 存在差异。

结论

过多的 GWG 与婴儿体脂肪增加有关,而在超重妇女中影响最大。

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