Abstract

Role of Exclusive Breastfeeding in Conferring Protection in Children At-Risk for Autism Spectrum Disorder: Results from a Sibling Casecontrol Study.

Manohar, Harshini Pravallika, Madhavapuri Kandasamy, Preeti Chandrasekaran, Venkatesh Rajkumar, Ravi Philip

Abstract


Background:: Gut microflora influences neural development through complex mechanisms. Feeding practices, especially breastfeeding influence gut microbiome and thereby play a pivotal role in immune and neural development. Current understandings of the role of healthy distal gut microflora in the development of immune and neural systems provide insights into immunological mechanisms as one of the possible etiologies in autism spectrum disorder (ASD). Studies have shown that optimal breastfeeding is associated with lower odds of being at-risk for ASD and children with ASD are suboptimally breastfed. Methods:: The feeding practices of children with ASD (n = 30) was compared to their typically developing siblings as matched controls (n = 30). Information regarding feeding practices was collected from mothers through a semi-structured questionnaire. Results:: About 43.3% of children with ASD received exclusive breastfeeding, whereas 76.7% of their typically developing siblings were exclusively breastfed. Exclusive breastfeeding was associated with lower odds for ASD (odds ratio [OR] = 0.166; 95% confidence interval [CI] = 0.0250.65), while early introduction of top feeds was associated with higher odds (OR = 6; 95% CI = 1.3355.19). Difficulties in breastfeeding were attributed to child-related factors in 13.2% of the children. Conclusion:: Children with ASD are suboptimally breastfed compared to their typically developing siblings. Exclusive breastfeeding may confer protection in vulnerable children. Further studies on larger prospective sample are required to establish the association.


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