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。Most incontinent women have either genuine stress incontinence or detrusor instability.大多数患有尿失禁的女性要么是腹部压迫性尿失禁，要么是逼尿肌功能失调。They suffer from urinary incontinence and constipation.他们患有小便失禁和便秘。