None
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Maternal age >=18 years old, singleton pregnancy, no contraindications in intrathecal anesthesia, and in epidural labor analgesia.
Exclusion criteria
Exclusion criteria: 1. 1.1 emergency cesarean section (grade 1: immediate danger to the life of the mother and fetus; grade 2: damage to the mother and fetus, but no life-threatening; grade 3: delivery is required, but there is no damage to the mother and fetus); 2. Epidural catheter falls off during labor analgesia; 3. Burst pain >= 3 times during labor analgesia; 4. VAS score during labor analgesia > 4 points; 5. The epidural catheter is deviated to one side or inserted into a blood vessel or into the subarachnoid space; 6. History of local anesthetic allergy; 7. Contraindications of spinal anesthesia: abnormal coagulation function, history of lumbar trauma, uncooperative mental illness, etc.; 8. Patients who are participating in other clinical trials.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Block plane; | — |
Countries
China
Contacts
Guangdong Maternal and Child Health Hospital