It’s unclear why fibroids develop, but several factors may influence their formation. They are Hormones, Estrogen and progesterone are the hormones produced by the ovaries. They cause the uterine lining to regenerate during each menstrual cycle and may stimulate the growth of fibroids.
Family history, Fibroids may run in the family. If your mother, sister, or grandmother has a history of this condition, you may develop it as well.
Pregnancy increases the production of estrogen and progesterone in your body. Fibroids may develop and grow rapidly while you’re pregnant.
Fibroids are abnormal tumor-like growths that are caused by cells that grow unregulated in a woman’s uterus. There are many different causes including misregulation of hormones or family history of fibroids.