labor pain, labor analgesia
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1.Assessed by an obstetrician as eligible for a trial of vaginal delivery; 2.The parturient voluntarily opts for labor analgesia; 3.Primiparas aged 20-40 years old, with a height of 1.55-1.65 meters; 4.Gestational age of 36-40 weeks, singleton pregnancy with cephalic presentation; 5.At the time of labor analgesia administration, the cervical dilation is 1-3 cm, and the baseline pain score assessed by the Visual Analog Scale (VAS) reaches 10 points.
Exclusion criteria
Exclusion criteria: 1. The parturient refuses to sign the informed consent form; 2. The parturient has pregnancy-related diseases (such as gestational diabetes mellitus, gestational hypertension, preeclampsia, etc.); 3. The parturient has conditions that increase the risk of cesarean section (such as placenta previa, uterine abnormalities or a history of uterine surgery); 4. The parturient has contraindications to neuraxial anesthesia, such as inability to cooperate with neuraxial puncture, morbid obesity, severe spinal deformity, allergy to local anesthetics or opioids, coagulation disorders, infection at the puncture site, uncorrected maternal hypovolemia or hypotension, increased intracranial pressure, severe spinal deformity, etc.; 5. Known fetal developmental abnormalities; 6. Those with incomplete clinical data.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Blood pressure; | — |
Secondary
| Measure | Time frame |
|---|---|
| Heart beat;sensory block level;Visual Analog Scale (VAS) score;Bromage Score;time of first defecation after childbirth;time of first urination after childbirth; | — |
Countries
China
Contacts
The Sixth People's Hospital of Shanghai