Breast Cancer Risk

  • breast cancer risk1 in 8 women will develop breast cancer.
  • Breast cancer is the leading cause of new cancers in women, accounting for 31% of all cancers in women.
  • Breast cancer is the second leading cause of deaths related to cancer.
  • Global breast cancer rates are increasing at a rate of 2% per year.
  • Children offers some potential protection, whereas obesity and alcohol consumption increase your relative risk for breast cancer
Risk Factors Relative Risk
Family Hx:
1 relative
2 relatives
Nulliparity (no children)
1st child after 30
1st menses < age 12
Last menses > age 55
Obesity
Alcohol:
1 drink
2 drinks
3 drinks
—–
1.4-2.8
4.2-6.8
1.5-1.9
1.9
1.2-1.3
1.5-2.0
1.2

1.4
1.7
2.0