National Institutes of Health, at least 25 percent of women in the United States age 25 to 50 suffer from symptomatic uterine fibroids.

• 子宫平滑肌瘤为子宫内部肌层良性肿瘤新生物。据国立卫生研究院报道，美国年龄为25至50岁妇女至少25%25会出现子宫平滑肌瘤的症状。