obstetric anal sphincter injury
Conditions
Interventions
Two groups:Restrictive episiotomy versus Routine episiotomy
Sponsors
The Chinese University of Hong Kong
Eligibility
Sex/Gender
Female
Age
18 Years to No maximum
Inclusion criteria
Inclusion criteria: 1. Chinese nulliparous women with singleton pregnancy who present at the first trimester to the antenatal clinic; 2. Willing to give written consent to participate in the study.
Exclusion criteria
Exclusion criteria: 1. Non-Chinese ethnicity; 2. Aged less than 18 years old; 3. Mental incapacity; 4. Women with multiple pregnancy or multiparous; 5. Previous medical history that is contraindicated for vaginal delivery; 6. Refuse to participate in the study.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Prevalence of obstetric anal sphincter injury (OASIS; third or fourth degree tear); | — |
Secondary
| Measure | Time frame |
|---|---|
| The changes of pelvic floor disorders after delivery;The changes of pelvic floor ultrasound morphology after the delivery;Factors contributing to the pelvic floor disorders and the changes; | — |
Countries
China
Contacts
Public ContactCHAN Symphorosa Shing Chee
The Chinese University of Hong Kong
Outcome results
None listed