Objective Developmental and behavioral problems are the most prevalent problem in pediatrics after infection and trauma. These problems can be affected by numerous factors. A range of factors is involved in behavior and development problems. Developmental problems have a massive impact on children's health and eventually have broader scale effect on society. Because of the necessity for more and different follow-ups in children with developmental disorders in the early years of lifetime, determination of effective factors is essential in any society. Therefore, the current study was conducted with a purpose to determine the relationship between gender and developmental status in children.