Perineal body stretch during labor does not predict perineal laceration, postpartum incontinence, or postpartum sexual function: a cohort study.
Meriwether KV, Rogers RG, Dunivan GC, Alldredge JK, Qualls C, Migliaccio L, Leeman L. Perineal body stretch during labor does not predict perineal laceration, postpartum incontinence, or postpartum sexual function: a cohort study. Int Urogynecol J. 2016 Aug; 27(8):1193-200.