The main risk factors
- The presence of cystic mastitis.
- First birth into adulthood (after 26), is optimal for delivery age 18-20 years.
- The number of abortions. The more abortions done woman, the higher the risk of disease.
- Too early onset of menstruation or late menopause (after 50).
- Early (up to 16) or after (after 30) onset of sexual activity.
- The irregularity of sexual activity and satisfaction with it.
- Increased body weight, with an average growth of women.
- The increase in fat mass in the body of a woman more than 4 kg compared with that weight at the age of 30 years.
- High estrogen levels.
- Diseases of the thyroid gland.
- The high incidence of breast cancer in the family.
- Transferred mastitis.
- Injury breast.
- Not to breastfeed (in recent times, many gynecologists believe that over a long period of feeding (up to two years) is a risk factor).
- Stress. Any stress accompanied immunosuppression and therefore hormonal disorders.
- Smoking (direct link between smoking and breast cancer is not, however, smokers in general, 40% higher cancer rates).
All these categories of women should be carefully examined and after 35 years to make regular mammograms.