Table 17.1. Factors Associated with Increased Risk of Breast Cancer
| Table 17-1. Factors Associated with Increased Risk of Breast Cancer.1 | |
| Race | White |
| Age | Older |
| Family history | Breast cancer in mother, sister, or daughter (especially bilateral or premenopausal) |
| Genetics | BRCA1 or BRCA2 mutation |
| Previous medical history | Endometrial cancer |
| Proliferative forms of fibrocystic disease | |
| Cancer in other breast | |
| Menstrual history | Early menarche (under age 12) |
| Late menopause (after age 50) | |
| Pregnancy | Nulliparous or late first pregnancy |
| 1Normal lifetime risk in white women = 1 in 8 or 9. | |