About Ovarian and Breast Cancer

Breast cancer is the most common. Ovarian cancer is the most deadly. Learn how they’re related.

Let’s start with the basics: What is cancer?

Cancer is an uncontrolled growth of cells that interferes with the body’s function. If cancer starts in the breast, it is breast cancer. If cancer starts in the ovary or fallopian tubes, it is ovarian cancer.

What causes cancer?

Cancer is caused by a combination of:

  • Genetics
  • Environmental factors
  • Lifestyle factors that can influence how genetics and the environment impact cancer

How are breast and ovarian cancer related?

Breast and ovarian cancer are often genetically linked (through BRCA1, BRCA2, or other genes). Having one of these two cancers puts you at risk for developing the other.

Learn more about breast and ovarian cancer