Ditte N Hansen1,2, Sofie S Poulsen1, Marianne Sinding3, David A Peters4, Jens B Frøkjær5, Anne Sørensen1,2
(1.Department of Obstetrics & Gynecology, Aalborg University Hospital, Aalborg, Denmark, 2.Department of Clinical Medicine, Aalborg University, Aalborg, Denmark, 3.Department of Obstetrics & Gynecology, Viborg Regional Hospital, Viborg, Denmark, 4.Department of Clinical Engineering, Central Denmark Region, Aarhus, Denmark, 5.Department of Radiology, Aalborg University Hospital, Aalborg, Denmark)