Get your Fibroid treatment in Chennai at Rathimed hospital they are Leiomyomas and myomas are the medical terms for them. Fibroids are uterine tumors that arise from smooth muscle cells and fibrous connective tissue. Fibroids are thought to affect 70-80% of women at some point in their lives. Uterine fibroids have no recognized cause. According to certain research, there may be a hereditary component that influences the likelihood of getting fibroids.