The association between maternal diabetes and risk of autism spectrum disorder in offspring was not completely consistent. We performed an updated and systematic review and meta-analysis with relevant studies published until 6 August 2020. We included 17 publications, describing 15 studies, including 1,751,537 participants. Exposure to maternal…

Inflammatory bowel disease (IBD) has been shown to be connected to a greater possibility of neurologically developed problems, such as autism spectrum disorders (ASDs). However, the proof linking parental IBD with ASD in offspring is inconclusive. Thus, we carried out a meta-analysis and comprehensive review to elucidate such linking. Prior…

Introduction: Childhood visual impairment is a global concern. We aimed to identify the major causes of childhood visual impairment in schools for students with visual impairments in Tehran, Iran. Methods: This cross-sectional study was conducted on students attending two schools for students with visual impairments in Tehran. All students or…

This paper contributes to the literature on the impact of early-life health on education by estimating the effect of genetic predisposition to a higher body mass index (BMI) on educational attainment and related outcomes. The identification strategy exploits the randomness in which genes one inherits from one's parents by estimating sibling fixed…

Background: Stuttering is a neurodevelopmental disorder affecting speech flow, often hampering social interaction and academic performance in childhood. However, data on the prevalence and impact of stuttering amongst school-aged children remains limited in Ghana. Objective: This study aimed to determine the prevalence, gender distribution,…