Clinical Study Prenatal Detection of Congenital Heart Diseases: One-Year Survey Performing a Screening Protocol in a Single Reference Center in Brazil

License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Objective. To describe the experience of a tertiary center in Brazil to which patients are referred whose fetuses are at increased risk for congenital heart diseases (CHDs).Methods.This was a cross-sectional observational study.The data was collected prospectively, during the year 2012, through a screening protocol of the fetal heart adapted from the International Society of Ultrasound in Obstetrics and Gynecology (ISUOG) guideline. We performed a fetal echocardiogram screening for all pregnant women who were referred to the fetal cardiology outpatient obstetrics clinic of a university hospital. The exams were classified as normal or abnormal.The cases considered abnormal were undergone to a postnatal echocardiogram.We categorized the abnormal fetal heart according to severity in “complex, ” “significant, ” “minor, ” and “others.”Results.Weperformed 271 fetal heart screening.The incidence of abnormal screenings was 9.96 % (27 fetuses). The structural CHD when categorized due to severity showed 48.1 %