Association of mode of delivery with urinary incontinence and changes in urinary incontinence over the first year postpartum.

OBJECTIVE:To examine the association between vaginal or cesarean delivery and urinary incontinence (UI) and identify the trend in the change in UI within the first 12 months postpartum.METHODS:This was a prospective longitudinal study of 330 of 749 women who completed a UI questionnaire and a person