Anal injury 'more common' with vaginal delivery after previous C-section

A meta-analysis clarifies the increased risk of anal sphincter damage, suggesting women should be counselled about it, obstetricians say

Women delivering vaginally after a previous caesarean section have a 27% increased risk of anal sphincter injury than primiparous women, according to new findings.

The systematic review and meta-analysis including millions of women shows that obstetric anal sphincter injury (OASI) is more common in those having a vaginal birth instead of a repeat caesarean section, compared with first-time vaginal delivery.

Although the review could not pinpoint specific risk factors contributing to the

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