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Obstetric anal sphincter injuries (OASI) Grade III or higher are associated with a tear in the continuity of the anal sphincter. Accurate classification and timely diagnosis are essential for the appropriate management of these injuries. If not properly identified or adequately treated, such injuries may result in complications including gas and faecal incontinence, anorectal dysfunction, or dyspareunia. These conditions can significantly affect a woman’s quality of life and may lead to socio-economic stigmatisation, particularly among young women. Precise sphincter repair and comprehensive postpartum care play a pivotal role in a woman’s recovery and long-term well-being following OASI. This presentation focuses on the classification and diagnosis of OASI, with particular emphasis on the surgical management of obstetric trauma. The individual steps of the procedure are demonstrated on a human cadaver model, and both early and late aspects of postpartum care are addressed.