Background: First five years is an important period in child development, because in this period is the golden period that will determine subsequent child developmenr. Children in endemic areas iodine deficicncy disorders (IDD) has a risk of iodine deficiency will result in berkurangan IQ points, and disturbing development.Objective: This study aims to obtain constraints on the development ofchildren under live endemic iodine deficiency disorder by age group and type ofbarriers cxperienced growth.Method: The study was descriptive research. The population in this study were children underjive who experience barriers to progress in Magelang District, ages 3 to 60 months were divided in 13 groups according to age development DDTK guidelines.Conclusion: As many as 46.8% of children under .five experiencing barriers to development in less than 12 months of age, and young children in areas of endemic iodine deficiency disorder average experiencing barriers to development almost even lyon thefour aspects of thefive aspects of development.Key words: Development, Firstfive years, Endemic iodine deficiency disorder Background: First five years is an important period in child development, because in this period is the golden period that will determine subsequent child developmenr. Children in endemic areas iodine deficicncy disorders (IDD) has a risk of iodine deficiency will result in berkurangan IQ points, and disturbing development. Objective: This study aims to obtain constraints on the development ofchildren under live endemic iodine deficiency disorder by age group and type ofbarriers cxperienced growth. Method: The study was descriptive research. The population in this study were children underjive who experience barriers to progress in Magelang District, ages 3 to 60 months were divided in 13 groups according to age development DDTK guidelines. Conclusion: As many as 46.8% of children under .five experiencing barriers to development in less than 12 months of age, and young children in areas of endemic iodine deficiency disorder average experiencing barriers to development almost even lyon thefour aspects of thefive aspects of development. Key words: Development, Firstfive years, Endemic iodine deficiency disorder
