Risk of placenta previa in assisted reproductive technology: A Nordic population study with sibling analyses. - Landsverk, Eirik; Westvik-Johari, Kjersti; Wennerholm, Ulla-Britt; Bergh, Christina; Kyhl, Frederik; Spangmose, Anne Lærke; Vassard, Ditte; Pinborg, Anja; Rönö, Kristiina; Gissler, Mika; Petersen, Sindre Hoff; Opdahl, Signe (PLoS Medicine, 2025)