Pain
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: (1) Nulliparous ,Vertex presentation and full-term pregnancy; (2) ASA I or II ; (3) Cervical dilation < 5cm at the time of request for epidural analgesia ; (4) No prior use of pain medicine and magnesium ; (5) The research consent has been signed, which can cooperate with the parturient who completed the research.
Exclusion criteria
Exclusion criteria: The reasons for not performing epidural labor analgesia include spinal trauma or deformity, coagulation dysfunction, refusal of labor analgesia; (2) BMI > 35; (3) delivery within 4 hours of epidural catheterization; (4) fetal malformation.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| PCA press times; | — |
Secondary
| Measure | Time frame |
|---|---|
| VAS scole at each time piont;Vaginal delivery rate;Instrument assisted delivery rate;Cesarean section rate;Duration of the first and second stages of labor;Maternal satisfaction score;Bromage rating;Maternal side effects;Neonatal outcome; | — |
Countries
China
Contacts
Hunan Provincial Maternal And Child Health Care Hospital(Hunan Institute of Reproductive Medicine)