Stedenfeldt, Mona; Pirhonen, Jouko; Blix, Ellen; Wilsgaard, Tom; Vonen, Barthold; Øian, Pål (Journal article; Tidsskriftartikkel; Peer reviewed, 2012)
Objectives To investigate the association between the geometrical properties of episiotomy and obstetric anal sphincter injuries (OASIS) because episiotomies angled at 40–60° are associated with fewer OASIS than episiotomies with more acute angles.
Design Case–control study.
Setting University Hospital of North Norway, Tromsø and Nordland Hospital, Bodø, Norway.
Sample Seventy-four women ...