The Effect of Different Delivery Positions on Pelvic Floor Function.

NCT ID: NCT07081321

Last Updated: 2025-11-25

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

NOT_YET_RECRUITING

Total Enrollment

669 participants

Study Classification

OBSERVATIONAL

Study Start Date

2025-12-07

Study Completion Date

2027-12-01

Brief Summary

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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.

Detailed Description

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Conditions

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Stress Urinary Incontinence (SUI)

Study Design

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Observational Model Type

COHORT

Study Time Perspective

PROSPECTIVE

Study Groups

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Lithotomy Position Group

Participants in the lithotomy position group were in the lithotomy position at the second stage of labor of delivery

Lithotomy position

Intervention Type BEHAVIORAL

Participants in the lithotomy decubitus 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.

Upright Position

Intervention Type BEHAVIORAL

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.

Lateral Position

Intervention Type BEHAVIORAL

Participants in the lateral position group were in the lateral position at the second stage of labor of delivery.

Interventions

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Lithotomy position

Participants in the lithotomy decubitus position group were in the lithotomy position at the second stage of labor of delivery.

Intervention Type BEHAVIORAL

Lateral Position

Participants in the lateral position group were in the lateral position at the second stage of labor of delivery.

Intervention Type BEHAVIORAL

Upright Position

Participants in the upright position group were in the upright position at the second stage of labor of delivery.

Intervention Type BEHAVIORAL

Eligibility Criteria

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Inclusion Criteria

1. Age 20-35 years old
2. Singleton, cephalic position, full-term primipara;
3. Cephalopelvic disproportion;
4. Expected fetal weight\< 4000g;
5. Intended vaginal delivery in our hospital;
6. Voluntary participation of study subjects.

Exclusion Criteria

1. Pelvic floor organ prolapse beyond the hymen limbus;
2. Combined with uncontrolled medical diseases and asthma, allergic rhinitis and constipation before pregnancy;
3. Presence of contraindications to vaginal delivery
Minimum Eligible Age

20 Years

Maximum Eligible Age

35 Years

Eligible Sex

FEMALE

Accepts Healthy Volunteers

Yes

Sponsors

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Peking University People's Hospital

OTHER

Sponsor Role lead

Responsible Party

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Gao lei

Attending Physician

Responsibility Role PRINCIPAL_INVESTIGATOR

Locations

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Peking University People's Hospital

Beijing, Beijing Municipality, China

Site Status

Countries

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China

Central Contacts

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Lei Gao, MD

Role: CONTACT

+8617669675336

Facility Contacts

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Lei Gao, MD

Role: primary

17669675336

Other Identifiers

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2025PHB262-001

Identifier Type: -

Identifier Source: org_study_id

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