Labor analgesia
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: ASAI-II, 20 to 40 years old, primiparous, singlet pregnancy, head position, 37 to 42 weeks gestation, height 155cm to 170cm, epidural labor analgesia and signed informed consent were required.
Exclusion criteria
Exclusion criteria: (1) Twin pregnancy; Women with multiple births. (2) Intraspinal labor analgesia contraindications, allergy to opioids or ropivacaine. (3) History of neuropsychiatric diseases, high-risk pregnancy (placental abruption, placenta previa, preeclampsia); Gestational diabetes mellitus, BMI >35 kg/m2. (4) Receive opioids or sedatives within 4 hours before epidural analgesia.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| VAS score; | — |
Countries
China
Contacts
Benxi Central Hospital of Liaoning Province