Risk factors

Breast cancer posses a greater threat to women. Next to skin cancer, breast cancer is the most common cancer in women. most women in whom breast cancer has been diagnosed do not have an obvious risk factors, but there are some risk factors do have role in breast cancer.
The risk factors are:
A. Risk of developing Breast cancer is assosiated with increase in age.
B. Breast cancer is 3-4 times more likely to develop in women with a first-degree relative ( mother , sister ) who had breast cancer than in those without a family history.
C. Nulliparous women and women whose first pregnancy after 35 years of age.
D. Early menarche (under age 12 ) and late menopause are assosiated with a increased risk.
E. Breast cancer is more common in white women.
F. There is strong assosiation of genetic mutation BRCA1, BRCA2 with breast cancer.
G. Dietary factors, particularly increased fat consumption also plays role as risk factor.

Studies shows that breast cancer are high in developed countries.