The Effect of Different Delivery Positions on Pelvic Floor Function.
1 other identifier
observational
669
1 country
1
Brief Summary
This study is a cohort clinical study. Baseline data were collected from cases recruited at pregnancy, and the eligible subjects were grouped into 3 groups according to different delivery position including supine position group, upright position group, and lateral position group. Different delivery positions along with respectively timeand obstetric conditions were recorded at delivery. Pelvic floor function assessments were performed at postpartum.
Trial Health
Trial Health Score
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participants targeted
Target at P75+ for all trials
Started Dec 2025
1 active site
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Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
June 26, 2025
CompletedFirst Posted
Study publicly available on registry
July 23, 2025
CompletedStudy Start
First participant enrolled
December 7, 2025
CompletedPrimary Completion
Last participant's last visit for primary outcome
December 1, 2027
ExpectedStudy Completion
Last participant's last visit for all outcomes
December 1, 2027
November 25, 2025
November 1, 2025
2 years
June 26, 2025
November 24, 2025
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Stress urinary incontence (SUI) occurrence at 6 weeks postpartum
at 6 (±1) weeks postpartum
Study Arms (3)
Lithotomy Position Group
Participants in the lithotomy position group were in the lithotomy position at the second stage of labor of delivery
Upright Position Group
Participants in the upright position group were in the upright position at the second stage of labor of delivery.
Lateral Position.
Participants in the lateral position group were in the lateral position at the second stage of labor of delivery.
Interventions
Participants in the lithotomy decubitus position group were in the lithotomy position at the second stage of labor of delivery.
Participants in the lateral position group were in the lateral position at the second stage of labor of delivery.
Participants in the upright position group were in the upright position at the second stage of labor of delivery.
Eligibility Criteria
Singleton, cephalic position, full-term primipara aged 20-35 years old without cephalopelvic disproportion, expected fetal weight ≥ 4000gpelvic floor organ prolapse beyond the hymen limbus and combined with uncontrolled medical diseases and asthma, allergic rhinitis and constipation before pregnancy.
You may qualify if:
- Age 20-35 years old
- Singleton, cephalic position, full-term primipara;
- Cephalopelvic disproportion;
- Expected fetal weight\< 4000g;
- Intended vaginal delivery in our hospital;
- Voluntary participation of study subjects.
You may not qualify if:
- Pelvic floor organ prolapse beyond the hymen limbus;
- Combined with uncontrolled medical diseases and asthma, allergic rhinitis and constipation before pregnancy;
- Presence of contraindications to vaginal delivery
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Peking University People's Hospital
Beijing, Beijing Municipality, 100032, China
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Central Study Contacts
Study Design
- Study Type
- observational
- Observational Model
- COHORT
- Time Perspective
- PROSPECTIVE
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- Attending Physician
Study Record Dates
First Submitted
June 26, 2025
First Posted
July 23, 2025
Study Start
December 7, 2025
Primary Completion (Estimated)
December 1, 2027
Study Completion (Estimated)
December 1, 2027
Last Updated
November 25, 2025
Record last verified: 2025-11