Uterine fibroids may put pressure against the uterine lining, which can cause more bleeding than usual. The uterus may not contract properly, which means it can't stop the bleeding. Fibroids may stimulate the growth of blood vessels, which contributes to heavier or irregular periods and spotting between periods.

Why do fibroids bleed so much?

Because fibroids are connected to your uterine lining, the pressure of the fibroid(s) against the uterine wall can cause the endometrial tissue to bleed more than it normally would. At the time of your menstrual period, the uterine lining sheds and the uterus has two basic mechanisms to stop itself from bleeding.

How do you stop fibroids from bleeding?

Your doctor may prescribe a GnRH agonist to shrink the size of your fibroids before a planned surgery or to help transition you to menopause. Progestin-releasing intrauterine device (IUD). A progestin-releasing IUD can relieve heavy bleeding caused by fibroids.