RecruitingPhase 3Drug trialEfficacy & Safety Study of Relugolix in Women With Heavy Menstrual Bleeding Associated With Uterine FibroidsThe goal of this clinical trial is to determine the benefit of relugolix 40 milligrams (mg) once a day compared with placebo in heavy menstrual bleeding associated with uterine fibroids. The main question\[s\] it aims to answer are: * the benefit of relugolix 40 mg once daily in women with heavy menstrual bleeding associated with uterine fibroids * the safety of relugolix 40 mg once daily in women with heavy menstrual bleeding associated with uterine fibroids