Alireza Golbabaei - Department of Perinatology and Fetal Cardiology, Shariati Hospital, Tehran University of Medical Sciences, Iran.
Sara Memarian - Department of Pediatrics, Children’s Medical Center, Tehran University of Medical Sciences, Iran.
Mahsa Naemi - Department of Gynecology, Shariati Hospital, Tehran University of Medical Sciences, Iran.
Azade Rastgar - Shariati Hospital, Alborz University of Medical Sciences, Karaj, Iran.
Rana Karimi - Department of Gynecology, Arash Hospital, Tehran University of Medical Sciences, Iran.
Behdad Gharib - Department of Pediatrics, Children’s Medical Center, Tehran University of Medical Sciences, Iran.
Mohamad Taghi Majnoon - Department of Pediatrics, Children’s Medical Center, Tehran University of Medical Sciences, Iran.

Common arterial trunk (persistent truncus arteriosus) is a rare, congenital heart anomaly and characterized by Ventricular Septal Defect (VSD), single truncal valve, and a common ventricular outflow tract. We reported a case of truncus arteriosus type ۱ in the fetus of a ۲۸ years-old G۲-P۱-L۱ pregnant female at ۲۴ weeks of gestational age with large sub truncul VSD, truncal overriding, and main pulmonary artery bifurcation to the right and left pulmonary arteries.

Truncus arteriosus, Congenital heart disease, Fetal echocardiography