Observational study shows episiotomy reduces obstetric anal sphincter injury in nulliparous women, suggesting a protective strategy in high-risk cases.
In nulliparous women, mediolateral episiotomy during vacuum-assisted delivery was associated with a 50% reduction in OASI. The preventive effect of mediolateral episiotomy was greater when multiple intrapartum risk factors were present.
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Anteby et al. (2026) studied this question.
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