FGFR3 and ventricular septal defect: In our study, the fetus with a de novo FGFR3 mutation was diagnosed with RA (PA-VSD, right-sided aortic arch accompanied by a mirror branch, bilateral right bronchi, and the absence of the spleen) and achondroplasia (disordered arrangement of cervical vertebrae, missing right radius, abnormal appearance of the right ear, trident right hand, and a higher measurement volume of the lateral ventricle) (Nelson et al., 1988).