Isolated aortic regurgitation: unusual antenatal manifestation of bicuspid aortic valve

Data sharing not applicable to this article as no datasets were generated or analysed during the current study. Videoclip S1 Color Doppler evaluation of the left ventricle outflow tract showing significant aortic regurgitation at 21 + 1 weeks' gestation. Please note: The publisher is not responsible for the content or functionality of any supporting information supplied by the authors. Any queries (other than missing content) should be directed to the corresponding author for the article.