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Risk Factors


Breast Cancer Risk Factors
Risk factors for breast cancer include:
  • Family history of breast cancer
  • Exposure to radiation
  • Hormone replacement therapy after menopause
  • Onset of menstrual periods before 11 years of age
  • Onset of menopause after 55 years of age
  • First pregnancy after 30 years of age
  • High fat diet
  • BRCA1 genetic marker is positive
  • BRCA2 genetic marker is positive
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Last Updated: Sep 17, 2007  References
Authors: Stephen J. Schueler, MDJohn H. Beckett, MDD. Scott Gettings, MD
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