Labor analgesia
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: cervical dilation <5 cm, vertex presentation fetuses at 37 to 42 weeks' gestation with spontaneous parturiton, American Society of Anesthesiologists (ASA) I-II primiparas.
Exclusion criteria
Exclusion criteria: Age 35 years old; morbid obesity; pregnancy-related diseases (such as gestational diabetes mellitus, gestational hypertension, etc.); history of drug abuse; contraindications of nerve block in spinal canal (such as puncture site infection, abnormal coagulation function, etc.); increased risk of cesarean section (such as low placenta, history of uterine surgery, etc.); and known fetal malformation.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Pain Numerical Score; | — |
Countries
China
Contacts
Huaian Maternal and Child Health Hospital