Hildegunn Horne1, Ane Moe Holme2,3, Maia Blomhoff Holm2,3, Marie Cecilie Paasche Roland2,4, Guttorm Haugen1,5, Tore Henriksen1,2, Trond Michelsen2,4
(1. Institute of Clinical Medicine, University of Oslo, Oslo, Norway, 2. Department of Obstetrics, Oslo University Hospital, Oslo, Norway, 3. University of Oslo, Oslo, Norway, 4. Norwegian Advisory Unit on Women’s Health, Oslo University Hospital, Oslo, Norway, 5. Department of Fetal Medicine, Oslo University Hospital, Oslo, Norway)