A comparative study of anal sphincter injuries in deliveries of twins and singleton pregnancies

What is it about?

Increasing numbers of twin pregnancies necessitate investigation of the risk factors associated with obstetric anal sphincter injuries (OASIS). The aims of this study were to establish the incidence of OASIS, and compare women delivering twins to those delivering singletons in risk of OASIS plus maternal, neonatal, and obstetric outcomes.

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Why is it important?

Women delivering twins vaginally were not at a significantly higher risk of sustaining OASIS compared to those delivering singletons.