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KMID : 1161220210640070341
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Clinical and Experimental Pediatrics
2021 Volume.64 No. 7 p.341 ~ p.346
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Is meconium exposure associated with autism spectrum disorders in children?
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Jenabi Ensiyeh
Ayubi Erfan
Khazaei Salman
Bashirian Saeid
Khazaei Mojtaba
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Abstract
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Background: The results differ among published studies regarding exposure to meconium and the risk of developing autism spectrum disorders (ASDs).
Purpose: The present study pooled all of the epidemiologic studies retrieved from broader databases on the association between meconium exposure and risk of developing ASD in children.
Methods: The Web of Science, PubMed, Scopus, and Google Scholar databases were searched without language restrictions for articles published between their inception to February 20, 2020, using relevant keywords. The pooled odds ratios (ORs) and their 95% confidence intervals (CIs) were calculated as random-effect estimates of the associations among studies. A subgroup analysis was conducted to explore any potential sources of heterogeneity among studies.
Results: The pooled estimate of OR reported a weakly significant association between meconium exposure and ASD development in children (OR, 1.13; 95% CI, 1.03?1.24). There was low heterogeneity among the articles reporting risk for ASD among children (I2=19.3%; P=0.259). The results of subgroup analysis based on meconium exposure showed a significant association between a meconium-stained neonate and ASD development (OR, 1.18; 95% CI, 1.11?1.24).
Couclusion: Meconium exposure was weakly associated with an increased risk of ASD. However, more evidence based on large prospective cohort studies is required to provide conclusive evidence about whether meconium exposure is associated with an increased risk of ASD development.
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KEYWORD
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Autism spectrum disorder, Meconium, Meta-analysis
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