The invention relates to a method for treating uterine fibroids, which method comprises administering to a patient in need thereof, an effective amount of 17α-acetoxy-11β-[4-N,N-dimethylamino-phenyl) -19-norpregna-4,9-diene-3,20-dione (ulipristal) or any metabolite thereof. More particularly, the method is useful for reducing or stopping bleeding in a patient afflicted with uterine fibroids, and/or for reducing the size of uterine fibroids.