Major factors that induced in breast cancer

  1.Age:
  In women the incidence rises with age and is rare in pre-menarche,as well as before the age of 20.However, after the age of 20 it increases rapidly in incidence, 45 ~ 50-year-old to a high level, but was relatively flat.Postmenopausal incidence continues to rise to 70-year-old and then reachs the peak.Meanwhile the mortality also increases with age,and it rises gradually after 25 years old until old age and always maintain an upward trend.

  2.Genetic factors:
  Women in whose family has breast cancer medical history in the first-class straight pro-family,their breast cancer’s risk is normal crowd’s 2~3 times.

  3.Other breast diseases

  4.The age when the first menstruation comes: 
  The women whose age when the first menstruation comes is younger than 13 years old have a 2.2 times risk than whose that age is older than 17.

  5.post-menopausal age:
  Women whose menopausal age is greater have an increased risk than whose that age is younger than 45 years old.

  6.First pregnancy age:
  The risk advances gradually along with the first birth age postpones.Women whose first birth age is older than 35 will has higher risk than the non-birth ones.

  7.After the menopause, supplements the estrogen:
  During the menopause has a long-term use of estrogen may increase the risk of breast cancer.

  8.Oral administration contraceptives

  9.Food:
  In particular the fat diet can increase the risk of breast cancer.

  10.Drinking

  11. Weight’s gaining is probably an important risk factor for post-menopausal women to suffer from breast cancer.

Article source:http://www.bolady.com/Lady-Health/Cancer/Major-factors-that-induced-in-breast-cancer.html

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