由于骨盆底肌肉虽然是随意控制的肌肉，但 是大部分的尿失禁妇女或因生产创伤(birth trauma)或 长期废用(disuse)，而无法正确的执行骨盆底肌肉运 动。
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无痛生产使得妈妈在分娩婴儿时对外来帮助更有依赖性，例如使用产钳，但是这会对母子有创伤。
An epidural makes a mother more likely to need help in getting her baby out, such as by using forceps, which can be traumatic for both mother and child.
到目前为止，对我来说，是看到了罪恶带来的创伤，会去寻找提高土壤生产力的方法。
By far the best way, it seems to me, to meet the ravages of the evil, would be to find ways of increasing the productivity of the soil.
通过生产移植后能保持生物活性的替代品，能保持由于疾病或创伤所致的组织或器官生理功能及结构完整，组织工程能够提供移植和其他形式重建的替代品。
By developing replacement tissues that remain intact with bioactive properties after implantation, tissue engineering could provide an alternative to transplantation and other forms of reconstruction.
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