The relative roles of urinary sphincter damage, aging, and childbirth in stress urinary incontinence (SUI), have not been established. This study was performed to elucidate the roles of these factors.

中文翻译：

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年龄和多胎分娩对非人灵长类动物下尿路结构和功能的影响。

尿道括约肌损伤、衰老和分娩在压力性尿失禁 (SUI) 中的相关作用尚未确定。进行这项研究是为了阐明这些因素的作用。