Purpose: This study evaluated pelvic organ positions in primiparas with painful and painless deliveries using transperineal ultrasound (TPU) and assessed the effects of epidural anesthesia on pelvic floor function.
Methods: From January 2022 to March 2023, 512 primiparas with vaginal deliveries at our hospital underwent pelvic floor ultrasound examinations 42 days postpartum. The study included 138 women with painful deliveries and 375 with painless deliveries.