None listed
Conditions
Interventions
Sponsors
West China Second Hospital, Sichuan University
Eligibility
Sex/Gender
Female
Age
18 Years to 40 Years
Inclusion criteria
Inclusion criteria: 1. Aged 18-40 years; 2. 37-42 weeks of pregnancy; 3. Single child; 4. Presumptive vaginal trial production; 5. Natural childbirth; 6. Regular contractions into labor.
Exclusion criteria
Exclusion criteria: Refused to participate, epidural analgesia failed.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| the anteroposterior diameter of the levator hiatus; | — |
Secondary
| Measure | Time frame |
|---|---|
| the angle of progression;contractility; | — |
Countries
China
Contacts
Public ContactGu Juan
West China Second Hospital, Sichuan University
Outcome results
None listed