👉 Myomas are usually benign tumors that grow in the lining of the uterus, cervix, and vagina. These tumors can be caused by a variety of factors, including hormonal changes, infections, or genetic mutations. The exact cause of myomas is not fully understood, but they often appear in women who have experienced natural menopause or who are at risk for breast cancer due to their high estrogen levels. Some studies suggest that some myomas may arise from a combination of environmental factors such as smoking,