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Liu, J.Z.* ; Liao, M. ; Zheng, L.* ; Li, H.R.* ; Su, X.* ; Feng, Y.H.* ; Qiu, J.M.* ; Zhang, S.W.* ; Cai, J.* ; Chen, S.Y.* ; Huang, S.Q.* ; Huang, H.K.* ; Ye, Y.B.* ; Han, S.S.* ; Zhu, S.* ; Lu, D.L.* ; Lo, K.* ; Zeng, F.F.*

Associations of breastfeeding with maternal and child health outcomes: Umbrella review.

Am. J. Clin. Nutr. 122, 1061-1074 (2025)
DOI PMC
Open Access Green as soon as Postprint is submitted to ZB.
BACKGROUND: Breastfeeding (BF) has been reported beneficial for both mothers and their offspring, but the evidence for these associations has not been systematically evaluated. OBJECTIVE: This umbrella review aims to assess the credibility of existing evidence regarding the associations between BF and health outcomes in mothers and offspring. METHODS: For each health outcome, evidence levels were determined using reanalyzed random-effects estimates, between-study heterogeneity, 95% predictive intervals, publication bias, small-study effects, and excess significance bias. Methodological quality was assessed by A Measurement Tool to Assess Systematic Reviews 2 (AMSTAR 2), and evidence credibility was graded with the Grading of Recommendations, Assessment, Development, and Evaluation (GRADE). RESULTS: Overall, 192 meta-analyses from 62 articles were included. Among maternal outcomes, three meta-analyses (3/65, 4.6%) were considered to provide convincing evidence that BF reduced the risks of ovarian cancer (odds ratio [OR] range: 0.70-0.78) and hypertension (OR range: 0.89-0.93). For short-term offspring outcomes, five meta-analyses (5/114, 4.4%) were considered to provide convincing evidence that exclusive breastfeeding (EBF) or ever BF was associated with lower risks of sudden infant death syndrome (SIDS) (OR: 0.63; 95% confidence interval [CI]: 0.54, 0.73) and allergic rhinitis (OR: 0.61; 95% CI: 0.54, 0.70), alongside improved physical fitness (standing long jump, standardized mean differences [SMDs]: 0.20-0.27). Early BF initiation (<1 hour after birth) reduced neonatal mortality risk by 56% (OR: 0.44; 95% CI: 0.33, 0.61). Regarding long-term offspring outcomes, two meta-analyses (2/13, 15.4%) were considered to offer highly suggestive and suggestive evidence, respectively, suggesting the inverse associations of ever BF on overweight/obesity and type 2 diabetes mellitus (T2DM) in adulthood. After GRADE credibility assessment, only 4 of 192 meta-analyses were classified as moderate-quality evidence. CONCLUSIONS: Our findings support the benefits of BF for mothers and their offspring, underscoring the importance of promoting BF practices to improve maternal and child health outcomes. URL OF REGISTRATION: PROSPERO CRD42023447328. This trial was registered at PROSPERO as CRD42023447328. (https://www.crd.york.ac.uk/prospero/display_record.php?ID=CRD42023447328).
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Publication type Article: Journal article
Document type Scientific Article
Keywords Breastfeeding ; Child ; Maternal ; Meta-analysis ; Umbrella Review; Environmental Risk-factors; Boyd-orr Cohort; Cancer Risk; Systematic Reviews; Preterm Infant; Metaanalysis; Postpartum; Duration; Disease; Women
ISSN (print) / ISBN 0002-9165
e-ISSN 1938-3207
Journal American Journal of Clinical Nutrition
Quellenangaben Volume: 122, Issue: 4, Pages: 1061-1074 Article Number: , Supplement: ,
Publisher American Society for Nutrition
Publishing Place Ste 800, 230 Park Ave, New York, Ny 10169 Usa
Reviewing status Peer reviewed
Institute(s) Institute of Epidemiology (EPI)
Grants National Natural Science Foundation of China
Guangdong Basic and Applied Basic Research Foundation