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.
Age 20-35 years old
Singleton, cephalic position, full-term primipara;
Cephalopelvic disproportion;
Expected fetal weight< 4000g;
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
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.
Cohort
Prospective
Lithotomy position
BehavioralParticipants in the lithotomy decubitus position group were in the lithotomy position at the second stage of labor of delivery.
Lateral Position
BehavioralParticipants in the lateral position group were in the lateral position at the second stage of labor of delivery.
Upright Position
BehavioralParticipants in the upright position group were in the upright position at the second stage of labor of delivery.
Stress urinary incontence (SUI) occurrence at 6 weeks postpartum
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