Effect of the Pelvic Floor Workout for Primipara on Preventing Stress Urinary Incontinence.

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.