Many women who have fibroids don't have any symptoms. In those that do, symptoms can be influenced by the location, size and number of fibroids. In women who have symptoms, the most common signs and symptoms of uterine fibroids include: 
Heavy menstrual bleeding
Menstrual periods lasting more than a week
Pelvic pressure or pain
Frequent urination
Difficulty emptying the bladder
Constipation
Backache or leg pains
 Rarely, a fibroid can cause acute pain when it outgrows its blood supply, and begins to die. Fibroids are generally classified by their location. Intramural fibroids grow within the muscular uterine wall. Submucosal fibroids bulge into the uterine cavity. Subserosal fibroids project to the outside of the uterus.