incontinence
noun [ U ] medical specialized uk/ɪnˈkɒn.tɪ.nəns/ us/ɪnˈkɑːn.tə.nəns/
（大小便）失禁
inability to control the excretion of urine or the contents of the bowels
There are many possible causes of faecal incontinence, including damage to the muscles which control bowel movements during childbirth. 大小便失禁的原因可能很多，其中包括控制大肠蠕动的肌肉在分娩的时候受损。