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- Title
Breast-feeding and postpartum weight retention: a systematic review and meta-analysis.
- Authors
Xiujie He; Meng Zhu; Chuanlai Hu; Xingyong Tao; Yingchun Li; Qiuwei Wang; Yue Liu; He, Xiujie; Zhu, Meng; Hu, Chuanlai; Tao, Xingyong; Li, Yingchun; Wang, Qiuwei; Liu, Yue
- Abstract
<bold>Objective: </bold>Weight gained during pregnancy and postpartum weight retention might contribute to obesity in women of childbearing age. Whether breast-feeding (BF) may decrease postpartum weight retention (PPWR) is still controversial. The purpose of our systematic review and meta-analysis was to investigate the relationship between BF and PPWR.<bold>Design: </bold>Three databases were systematically reviewed and the reference lists of relevant articles were checked. Meta-analysis was performed to quantify the pooled standardized mean differences (SMD) of BF on PPWR by using a random-effect model. Heterogeneity was tested using the χ 2 test and I 2 statistics. Publication bias was estimated from Egger's test (linear regression method) or Begg's test (rank correlation method).<bold>Results: </bold>Among 349 search hits, eleven studies met the inclusion criteria for the meta-analysis. Seven studies were conducted in the USA, one in Brazil, one in France, one in Georgia and one in Croatia. Compared with formula-feeding, BF for 3 to ≤6 months seemed to have a negative influence on PPWR and if BF continued for >6 months had little or no influence on PPWR. In a subgroup meta-analysis, the results did not change substantially after the analysis had been classified by available confounding factors. There was no indication of a publication bias from the result of either Egger's test or Begg's test.<bold>Conclusions: </bold>Although the available evidence held belief that BF decreases PPWR, more robust studies are needed to reliably assess the impact of patterns and duration of BF on PPWR.
- Subjects
BREASTFEEDING; PUERPERIUM; BODY weight; SYSTEMATIC reviews; META-analysis
- Publication
Public Health Nutrition, 2015, Vol 18, Issue 18, p3308
- ISSN
1368-9800
- Publication type
journal article
- DOI
10.1017/S1368980015000828