Still No Substantial Evidence to Use Prophylactic Antibiotic at Operative Vaginal Delivery: Systematic Review and Meta-Analysis.

Both the relative and absolute risks of postpartum infection at OVD are extremely low unless accompanied by episiotomy and 3rd/4tht degree perineal tear. From previous studies, there is no substantial evidence to use prophylactic antibiotic at OVD, but episiotomy and perineal tear.