Introduction: Patients with congenital heart disease are especially susceptible to developing cardiovascular complications, especially when they are overweight and obese during childhood. This study seeks to describe the prevalence of overweight and obesity in children who attend medical screening sessions for congenital heart disease by the Cardioinfantil Foundation in Colombia, in Colombia, during the years 2019 - 2020. Methods: Descriptive cross-sectional study in children under 18 years of age with congenital heart disease by echocardiography, between 2019 and 2020. Nutritional status was classified using percentiles of body mass index (BMI) calculated with the World Health Organization tables. Health (WHO) of 2007 and the IMC. Results: Between February 16, 2019 and March 6, 2020, 3,621 patients were cared for in the health brigades. Of these, 1,519 had heart disease and 2,102 had other diagnoses. The prevalence of overweight in the sample was 9.2% (95%CI: 7.9-10.8) and obesity was 7.4% (95%CI: 6.1-8.8). . The prevalence of low weight in the sample was 17.7% (95% CI: 15.8-19.7). Conclusions: The prevalence of overweight and obesity is lower in this population than that described in other countries. The prevalence of low weight in the sample is higher than expected
