title: Prevalence of Developmental Delay in Apparently Normal Preschool Children in Isfahan,Central Iran.
abstract: OBJECTIVE
  Developmental delay screening is essential in pediatric medicine. The purpose of this study was to estimate the developmental delay in apparently normal children at entry to kindergarten.
  
  
  METHODS
  In this cross- sectional study conducted in 2013, the developmental status of a sample of children who entered to kindergarten at the age of 4-60 months were evaluated by the Persian version of ages and stages questionnaires (ASQ) in Isfahan county, central Iran.
  
  
  RESULTS
  Totally 680 children were enrolled, 11.8% of them were suspected to delayed in at least one domain and 1.3% and 1.2% in two and three domains, respectively. Developmental delay was in the following items: 5% in problem solving; 4.9% in fine motor; 3.2% in gross motor, 2.2% and 1.2% in personal - social and communication domains, respectively.
  
  
  CONCLUSIONS
  Considerable proportions of apparently normal children who are entering kindergarten had developmental delay, which could be detected by evaluation with appropriate screening tools.
authors.affiliation: Faculty of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran ; Child Growth and Development Research Center, Research Institute for Primordial Prevention of Noncommunicable Disease, Isfahan University of Medical Sciences, Isfahan, Iran.
authors.forename: Omid
authors.initials: O
authors.lastname: Yaghini
authors.affiliation: Faculty of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran ; Child Growth and Development Research Center, Research Institute for Primordial Prevention of Noncommunicable Disease, Isfahan University of Medical Sciences, Isfahan, Iran.
authors.forename: Roya
authors.initials: R
authors.lastname: Kelishadi
authors.affiliation: Child Growth and Development Research Center, Research Institute for Primordial Prevention of Noncommunicable Disease, Isfahan University of Medical Sciences, Isfahan, Iran.
authors.forename: Mojtaba
authors.initials: M
authors.lastname: Keikha
authors.affiliation: Faculty of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran.
authors.forename: Negar
authors.initials: N
authors.lastname: Niknam
authors.affiliation: Welfare Organization, Isfahan, Iran.
authors.forename: Saeid
authors.initials: S
authors.lastname: Sadeghi
authors.affiliation: Welfare Organization, Isfahan, Iran.
authors.forename: Efat
authors.initials: E
authors.lastname: Najafpour
authors.affiliation: Faculty of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran ; Child Growth and Development Research Center, Research Institute for Primordial Prevention of Noncommunicable Disease, Isfahan University of Medical Sciences, Isfahan, Iran.
authors.forename: Mohammadreza
authors.initials: M
authors.lastname: Ghazavi
keywords: Child development; Developmental delay; Developmental screening; Iran