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Background: Macrosomia, as an infant with birth weight over 4 kg, can have several perinatal, and neonatal complications. This study aimed to estimate the incidence of macrosomia in Korea and to identify the growth and developmental outcomes and other neonatal complications. Methods: In total, 397,203 infants who were born in 2013 with birth weight 2.5 kg and who underwent infant health check-up between their 1 st and 7 th visit were included from the National Health Insurance Service database. The information was obtained by the International Classification of Diseases-10 codes or self-reported questionnaires in the National Health Screening Program.
Cho et al. (Fri,) studied this question.