Delivery mode and the risk of levator muscle avulsion: a meta-analysis.
Talia FriedmanGuy D EslickHans Peter DietzPublished in: International urogynecology journal (2019)
Forceps is a strong risk factor for avulsion, with an OR of 6.94 (4.93-9.78) compared with NVD and an OR of 4.57 (3.21-6.51) compared with vacuum birth.