Overview Programmed Intermittent Epidural Bolus For Laboring Obstetrical Women Status: Completed Trial end date: 2021-03-02 Target enrollment: Participant gender: Summary Comparison of three programmed intermittent epidural bolus (PIEB) pump settings for maintenance of labour analgesia. Phase: Phase 4 Details Lead Sponsor: University of British ColumbiaTreatments: BupivacaineFentanyl