Obstetric risk factors for anal sphincter trauma in a urogynecological population.
Hans Peter DietzGary LowKa Lai ShekPublished in: International urogynecology journal (2022)
In this observational study in urogynecological patients, 12% showed a residual EAS defect on imaging. The most obvious risk factors for the diagnosis of a residual defect on exo-anal imaging were the first vaginal birth and forceps, with higher-order vaginal parity conveying additional risk.