Overview Intrathecal Analgesia for Normal Labour Status: Not yet recruiting Trial end date: 2021-03-01 Target enrollment: Participant gender: Summary Primary outcome: Compare the duration of analgesia. Secondary outcome: analgesic potency of bupivacaine and fentanyl versus levobupivacaine and fentanyl. Phase: Phase 1 Details Lead Sponsor: Assiut UniversityTreatments: BupivacaineFentanylLevobupivacaine