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The Effect of Different Delivery Positions on Pelvic Floor Function.

StatusNot Yet Recruiting
PhaseNot applicable
Started2026-09-20
View on ClinicalTrials.gov ↗
Trial flagged as At Risk
Primary completion moved at least 30 days later Dec 1, 2027 → Dec 31, 2027
See other at-risk trials from Peking University People's Hospital

Amendment history

2026-09-07
Study Identification, Study Status, Sponsor/Collaborators, Study Description, Conditions, Study Design, Arms and Interventions, Outcome Measures, Eligibility v2
Phase changed: not specified → not applicable
Enrollment increased: 669 → 1992 participants
Primary completion pushed: 2027-12-01 → 2027-12-31
Completion pushed: 2027-12-01 → 2028-12-31
Start date2025-12-07→2026-09-20
Eligibility criteria+517 characters
Inclusion Criteria: AgeAged 20-35 to 40 years old. Singleton, cephalic positionpresentation, full-term primipara;. CephalopelvicAbsence of cephalopelvic disproportion;. ExpectedEstimated fetal weight (EFW) < 4000g;4000 g. Intended vaginal delivery inand scheduled for postpartum follow-up at our hospital;. Voluntary participation with provision of studyinformed subjectsconsent. Exclusion Criteria: Moderate or severe stress urinary incontinence prior to pregnancy. Pelvic Organ Prolapse Quantification (POP-Q) stage ≥ III, or a history of treatment for pelvic floor organdysfunction. Uncontrolled p [...] [...]
Collaborators+240 characters
Luohe Central Hospital The Third Xiangya Hospital of Central South University Zhengzhou Central Hospital Jincheng People's Hospital Tongzhou Maternal and Child Healthcare Hospital of Beijing Hangzhou maternity and child health care hospital
2025-11-24
Study Identification, Study Status, Study Description, Study Design, Arms and Interventions, Outcome Measures, Eligibility v1
PhaseNot applicable→Not specified
Primary completion date2026-07-01→2027-12-01
Completion date2026-12-01→2027-12-01
Start date2025-07-20→2025-12-07
Enrollment target234→669
Eligibility criteria+5 characters
Inclusion Criteria: Age 20-35 years old Singleton, cephalic position, full-term mothersprimipara; headlessCephalopelvic basin is not symmetricaldisproportion; FetalExpected fetal weight< 4000g; Intended vaginal delivery in our hospital; V [...] untary participation of study subjects. Exclusion Criteria: pelvicPelvic floor organ prolapse beyond the hymen limbus; Combined with [...]
Study title-23 characters
The Effect of theDifferent Delivery Positions on Pelvic Floor Workout for Primipara on Preventing Stress Urinary IncontinenceFunction.
2025-07-15
Original filing
This study is a prospective, multicenter, randomized controlled trial. Baseline data will be collected from eligible subjects recruited during the third trimester of pregnancy. Participants will be randomized into three groups when cervical dilation reaches 2 cm based on delivery position: lithotomy position, upright position, and lateral position. During the second stage of labor, data regarding delivery positions, duration of each position, and other obstetric conditions will be recorded. Pelvic floor function assessments will be performed in the postpartum period to evaluate the outcomes.
Trial Details
NCT Number NCT07081321
Lead Sponsor Peking University People's Hospital
Collaborators: Luohe Central Hospital, The Third Xiangya Hospital of Central South University, Zhengzhou Central Hospital, Jincheng People's Hospital, Tongzhou Maternal and Child Healthcare Hospital of Beijing, Hangzhou maternity and child health care hospital
Conditions Stress Urinary Incontinence (SUI)
Enrollment 1,992 participants
Start Date 2026-09-20
Primary Completion 2027-12-31 (estimated)
Study Completion 2028-12-31 (estimated)
Updated on ClinicalTrials.gov 2026-09-10