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 personal characteristics questionnaire over five visits in a medical center. RESULTS:: The vaginal delivery group had a significant higher prevalence of any UI at 4-6 weeks and at 3, 6, and 12 months (29.1-40.2% vaginal compared with 14.2-25.5% cesarean); stress urinary incontinence (SUI) at 4-6 weeks and 3 and 12 months (15.9-25.4% vaginal compared with 6.4-15.6% cesarean); and moderate or severe UI at 3-5 days, 4-6 weeks, and 6 months (7.9-18.5% vaginal compared with 4.3-11.3% cesarean); and a significant higher score for interference in daily life at 3-5 days and 4-6 weeks (1.0, 0.7 vaginal compared with 0.7, 0.4 cesarean) compared with those in the cesarean delivery group. Prevalence increased for any UI, SUI, and slight UI (all P<.02) and daily life interference score decreased (P=.02) for women who had a vaginal delivery through 1 year postpartum. CONCLUSION:: Vaginal delivery was associated with higher UI prevalence that persisted for 1 year postpartum, but there was no association with interference in daily life after 6 weeks postpartum. Variation was observed in UI changes within the first year in the vaginal delivery and cesarean delivery groups. LEVEL OF EVIDENCE:: II
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机译：目的：检查阴道或剖宫产与尿失禁（UI）之间的关系，并确定产后前12个月内UI变化的趋势。方法：这是一项前瞻性纵向研究，对749名女性中的330名女性进行了调查，这些女性在医疗中心就诊了5次，完成了UI问卷和个人特征问卷。结果：阴道分娩组在4-6周和3、6和12个月时任何UI的患病率均显着较高（阴道分娩率为29.1-40.2％，而剖宫产为14.2-25.5％）。在4-6周以及3和12个月时出现压力性尿失禁（SUI）（阴道占15.9-25.4％，而剖宫产占6.4-15.6％）;在3-5天，4-6周和6个月时出现中度或重度UI（阴道为7.9-18.5％，而剖宫产为4.3-11.3％）;与剖宫产分娩组相比，在3-5天和4-6周时对日常生活的干扰得分更高（1.0、0.7阴道与0.7、0.4剖宫产）。阴道分娩至产后1年的妇女，任何UI，SUI和轻微UI的发生率均升高（均P <.02），日常生活干扰评分降低（P = .02）。结论：阴道分娩与较高的UI患病率有关，这种UI持续至产后1年，但与产后6周后的日常生活干扰无关。在阴道分娩和剖宫产组的第一年内，观察到UI的变化。证据级别：： II
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