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REVIEW ARTICLE
Year : 2019  |  Volume : 9  |  Issue : 1  |  Page : 12-15

Is breech presentation associated with autism spectrum disorders among children: A meta-analysis


1 Pediatric Developmental Disorders Research Center, Hamadan University of Medical Sciences, Hamadan, Iran
2 Social Determinants of Health Research Center, Hamadan University of Medical Sciences, Hamadan, Iran
3 Department of Epidemiology, School of Public Health, Hamadan University of Medical Sciences, Hamadan, Iran

Correspondence Address:
Salman Khazaei
Department of Epidemiology, School of Public Health, Hamadan University of Medical Sciences, Hamadan
Iran
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/AIHB.AIHB_42_18

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The meta-analysis of case–control and cohort studies was conducted to obtain the association between breech presentation and the risk of autism spectrum disorder (ASD) among children. The search for relevant studies in major electronic databases was performed including; Web of Science, PubMed and Scopus up to May 2018. The odds ratio (ORs) with 95% confidence intervals (CI) was extracted from eligible studies. The pooled estimate of OR was not indicated a significant association between breech presentation and risk of ASD among children (OR = 1.15, 95% CI = 0.93–1.37), but this association was significant in the unadjusted analysis (OR = 1.32, 95% CI = 1.05–1.58). Our findings were not showed that breech presentation is associated with increased risk of ASD among children.


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