Prevention of obstetric anal sphincter injuries with perineal support and lateral episiotomy: A historical cohort study.
Torbjørn Moe EggebøAstrid Betten RyghPhillip von BrandisFinn Egil SkjeldestadPublished in: Acta obstetricia et gynecologica Scandinavica (2023)
We observed a long-lasting reduction in OASIS rates after implementation of preventive procedures. Lateral episiotomy was associated with lower OASIS rates in nulliparous women with an instrumental delivery. Special attention should be paid to deliveries with persistent OP position.