None listed
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: ASA statue of I or II, patients with a single pregnancy, at full-term (gestational aged >= 37 weeks).
Exclusion criteria
Exclusion criteria: 1. Diabetes mellitus or gestational diabetes mellitus, hypertension or preeclampsia; 2. Fetus with intrauterine growth restriction or giant, placenta previa, placenta adhesion, placenta accreta, and major maternal diseases; 3. Absolute contraindications to spinal or epidural anesthesia, such as local infection or bleeding disorders.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Success rate of treating uterine atony; | — |
Secondary
| Measure | Time frame |
|---|---|
| Incidence of hypotension;Anesthesia block plane; | — |
Countries
China