[Korea Infant Physical Growth Examination Survey: A 12 Months Follow-up Study]

The World Health Organization (WHO) developed the WHO Growth Standards for the assessment of the growth of infants. Korea Infant Physical Growth Examination Survey (KIPGroS) was implemented in 2020 to assess the growth standards of infants in the Republic of Korea (ROK). This study aimed to investigate the growth status of infants from birth to 12 months using the results of the KIPGroS collected from inception to October 2022. The height and weight records of 187 participants at birth, 123 participants at 6 months, and 60 participants at 12 months were obtained. All collected data were analyzed with t-test and one-way ANOVA using SPSS version 28.0 for windows. The height of boys in the ROK from birth to 12 months was relatively higher than the WHO standard. The weight of infants (boys and girls) in the ROK from 1 month to 12 months was relatively greater than the WHO standard. KIPGroS results showed that the weight and height boys were greater than those of girls from birth to 12 months, and parental height was significantly related to infants height. This report presented only the results of up to 12 months of the ongoing study. A comprehensive analysis of the participant's follow-up data for 36 months will be used to revise the 2027 Korean Growth Chart.