The Effect of Different Delivery Positions on Pelvic Floor Function.

Peking University

Status: Not yet enrolling

Conditions: Stress Urinary Incontinence (SUI)

Treatments: Behavioral: Lithotomy position; Behavioral: Upright Position; Behavioral: Lateral Position

Study type: Observational

Funder types: Other

Identifiers

NCT07081321

2025PHB262-001

Details and patient eligibility

About

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.

Enrollment: 669 estimated patients

Sex: Female

Ages: 20 to 35 years old

Volunteers: Accepts Healthy Volunteers

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

Trial design

669 participants in 3 patient groups

Lithotomy Position Group

Description:

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

Treatment:

Behavioral: Lithotomy position

Upright Position Group

Description:

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

Treatment:

Behavioral: Upright Position

Lateral Position.

Description:

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

Treatment:

Behavioral: Lateral Position