The most common UTIs occur mainly in women and affect the bladder and urethra. 1  Infection of the bladder (cystitis). This type of UTI is usually caused by Escherichia coli (E. coli), a type of bacteria commonly found in the gastrointestinal (GI) tract. 2  Infection of the urethra (urethritis).
Vaginal vault prolapse: This type of prolapse may occur following a hysterectomy (surgical removal of the uterus). Because the ligaments surrounding the uterus provides support for the top of the vagina, this condition is common after a hysterectomy. In vaginal vault prolapse, the top of the vagina gradually falls toward the vaginal opening. This may cause the walls of the vagina to weaken as well.
Other causes of bleeding post-hysterectomy. That is the normal course of usual postoperative vaginal bleeding. Sometimes, however, bleeding can occur at other times or even much later (up to years). Causes include: 1  granulation tissue (healing tissue growing on its own). 2  prolapse of a fallopian tube (1). 3  endometriosis of the end of the vagina (2).