Natural birth
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: The primiparaes of American Society of Anesthesiologists Physical status I or II; term delivery; single live delivery cervical dilation 2-5cm; voluntarily request Epidural labor analgesia
Exclusion criteria
Exclusion criteria: 1. The contraindication of intraspinal anesthesia; 2. using sedatives and analgesics; 3. unable to understor to express VAS pain scores correctly; 4. complications during pregnancy; 5. Fetal distress.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| VAS score;Bromage score;The level of sensory block;the time on The level of sensory block at S2; | — |
Secondary
| Measure | Time frame |
|---|---|
| The time on second stage of labor;The time on second stage of labor; | — |
Countries
China
Contacts
Department of Anesthesiology, Fujian Provincial Maternity and Children Hospital