labor analgesia
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: American Society of Anesthesiologists Physical Status I or ?, who were at full term with a singleton fetus in vertex presentation, aged 20-36yr, with body mass index of 21-35 kg/m^6, and with cervical dilation 1- 3cm, primipara
Exclusion criteria
Exclusion criteria: (1) Contraindications for neuraxial labor analgesia; (2) Hypertension in pregnancy and gestational diabetes; (3) Known fetal anomalies; (4) History of chronic pain or use of psychiatric medications during pregnancy; (5) Allergy to opioids or local anesthetics.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| NRS Score;NRS Score; | — |
Secondary
| Measure | Time frame |
|---|---|
| Modified Bromage Score; | — |
Countries
China
Contacts
The Third Affiliated Hospital of Zhengzhou University