URL https://www.isuog.org/static/d1584ef2-defb-42c2-b049fe4a40015620/922x265_highestperformance__4a7c7e45a350/Three-types-of-septal-defects.jpg
URL2 https://www.isuog.org/clinical-resources/patient-information-series/patient-information-pregnancy-conditions/heart/atrioventricular-septal-defects.html
