1Fetal Medicine Research Center, BCNatal (Hospital Clinic and Hospital Sant Joan de Deu), Barcelona, Spain, 2Fetal Medicine Research Center, Institut d’Investigacions Biomediques August Pi i Sunyer (IDIBAPS), Barcelona, Spain, 3Center for Biomedical Research on Rare Diseases (CIBER-ER), Barcelona, Spain, 4Experimental MRI 7T Unit, Institut d’Investigacions Biomediques August Pi i Sunyer (IDIBAPS), Barcelona, Spain, 5Medical Image platform, Institut d’Investigacions Biomediques August Pi i Sunyer (IDIBAPS), Barcelona, Spain, 6Dept. Radiology, Hospital Clinic, Barcelona, Spain, 7Dept. Obstetrics and Gynecology, Baylor College of Medicine, Houston, TX, United States