Case Selection
The investigated cohort for 2D vs. 3D TLV assessment included 8 cases with abnormal lungs and 8 control cases from the iFIND project [https://www.ifindproject.com] and clinical fetal cardiac MRI databases. The abnormal cases included 6 cases of CDH (one with concomitant BPS), and a further 2 cases of CLL (both CPAM). The eight control cases were healthy control pregnancies and spanned approximately the same gestational range as the abnormal cases (22-32 weeks gestational age). In addition, 100 normal cases imaged as healthy control participants for research purposes from 21-33 weeks gestational age were used for the general assessment of 3D DSVR-derived fetal lung volumetry growth chart. All datasets used in this research were collected and processed subject to the informed consent of the participants.