newsvaginal deliveryobstetric anal sphincter injury
Hip Extension Versus Usual Positioning at Crowning: Impact on Perineal Lacerations in First Vaginal Deliveries
By MedXY|Sep 25, 2026
A randomized clinical trial found that hip extension at crowning does not reduce significant perineal lacerations during first vaginal deliveries, with no clear benefit over usual flexed positioning.