Planning birth after a fourth-degree tear

A later vaginal birth may be considered when recovery is good and there are no ongoing anal sphincter symptoms. A planned caesarean may be discussed when bowel-control symptoms persist, assessment suggests impaired sphincter function, or avoiding another perineal injury is a priority for you.

This tear extends through the perineal muscles and anal sphincter into the lining of the rectum. It is repaired after birth, but recovery includes more than skin healing because the sphincter contributes to control of wind and stool.

Your maternity team may review pain, urgency, leakage of wind or stool, difficulty cleaning after a bowel movement and anxiety about another birth. Examination and specialist tests may be offered when their results would change the delivery plan.

Discuss the previous repair early in pregnancy and make sure the team has the birth and operation records if available. Describe bowel symptoms directly, including symptoms that are occasional, because they can affect the balance between vaginal birth and caesarean birth.

Pelvic-floor physiotherapy can help with muscle coordination, scar comfort and bowel strategies, although it cannot remove every risk in a future delivery. If vaginal birth is planned, ask how labour will be monitored and what measures the team uses to support the perineum.

Contact your maternity or pelvic-floor team if you develop new or worsening leakage of wind or stool, strong bowel urgency, perineal pain, pain during sex or a sense that the repair has changed. During pregnancy, urgent assessment is needed for heavy bleeding, severe abdominal pain, reduced fetal movement, or signs of labour before your agreed plan can be followed.

Ask how your current symptoms and examination affect the options, whether specialist sphincter assessment would be useful, and how each delivery route could affect bowel function. Confirm when the mode of birth will be reviewed and what happens if labour begins before a planned caesarean.