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.
1 Other causes of vaginal bleeding that may occur any time after a hysterectomy, even years later, and may or may not be related to the operation. 2  These causes include 3  : Subtotal hysterectomy â where only a part of the uterus is removed during operation.4  Cancer. Improperly ligated (tied) blood vessel or a slipped ligature is reported as the most common cause of immediate bleeding after a hysterectomy operation. 2  The cut edge of the vaginal mucosa should be sutured carefully during the operation to prevent this type of bleeding.