Thanks for the query.
According to your age you might have reached menopause
by this time.
Usually fibroids will regress in postmenopausal women due to lack of support of the hormones.
So you follow with repeat ultrasound
after 6 weeks, if the fibroids are having same size or increasing in size, you may need surgery.
If not no need of hysterectomy
Meanwhile you can take symptomatic treatment for your bowel issue.