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Delayed secondary repair of third- and fourth-degree obstetric anal sphincter injuries: a randomized controlled trial comparing overlapping versus end-to-end sp

Secondary anal sphincter repair is necessary in fewer than 3% of cases following primary repair of obstetric anal sphincter injuries (OASI). Although there is some growing evidence comparing early and delayed secondary repairs, the traditional and most common way to manage second

Medical Literature · Updated 2026-08-10