Congenital left atrial appendage aneurysm. Prenatal diagnosis and outcome of a rare cardiac abnormality

Short title: Congenital left atrial appendage aneurysm Author: Xiaoting Su MD¹, Feng Yang MS², Dongmei Yu MS¹, Xiangqin He MS³Author address:¹ Department of Obstetrics and Gynecology Ultrasound, Qingdao Women and Children’s Hospital;²Qingdao Municipal Center for Disease Control and Prevention/Qingdao Institute of Preventive Medicine;³Department of Cardiac Ultrasound, the Affiliated Hospital of Qingdao University Corresponding author name: Xiaoting Su, Address: Department of Obstetrics and Gynecology Ultrasound, Qingdao Women and Children’s Hospital, 217 Liaoyang West Rd, Shibei District, 266034 Qingdao, Shandong Province, China telephone：（86）18553263691 e-mail:fengzhinu2@aliyun.com