Breast Cancer Risk Factors

The cause of breast cancer is still under study by cancer experts , it is not certain what factors that greatly affect a person contracting breast cancer , but there are several factors that allow a woman's risk of developing this disease , which is as follows :

• History of family relatives who have had breast cancer .
• Women who have never been pregnant and given birth .
• The first pregnancy occurred after the age of 30 years .
• Got first menstruation at the age under 12 years and menopause
after age 55 years .
• Use of birth control pills or estrogen replacement therapy .
• Postmenopausal Obesity and alcohol consumption .
• Chemicals - Several studies have cited the exposure of chemicals that mimic estrogen ( which is contained in pesticides and other industrial products ) may increase the risk of breast cancer .
• The use of DES ( diethylstilbestrol ) . Women who took DES to prevent miscarriage have a higher risk of breast cancer .

The only new factor analysis of the studies that have not quite sure. it does not always factor that into the exact cause of contracting breast cancer . but there are some analyzes of the close relationship between the above factors with breast cancer outbreak