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OASI2 Videos

Why reducing OASI matters

Here are 3 women who have anonymously spoken out about their experience of suffering from the effects of an OASI.

Thank you to all of those who have allowed us to share their story in order to raise awareness among clinicians.

OASI – Tia's story


If you are experiencing any of these issues as a result of childbirth, talk to your midwife, doctor, health visitor or GP about the support available in your area.

More information

RCOG Patient information leaflet
Third- or fourth-degree tear during childbirth

Birth Trauma Association

MASIC Foundation (Mothers with Anal Sphincter Injuries in Childbirth)

For clinicians


Online modules

Green-top Guideline 29: Management of Third- and Fourth-Degree Perineal Tears

OASI project


Evidence Based Guidelines

This links requires an account on the RCM website.