The risk is even greater if your relative developed cancer before menopause or had it in both breasts.
Having a first-degree relative with breast cancer doubles the chances a woman has the disease having two, quintuples.
Have a male relative with the disease also increases the chances of having the disease.
Genetics
Carriers of mutations in one of two genes of familial breast cancer, BRCA1 and BRCA2, have a higher risk. Women with an inherited alteration in one of these genes have up to an 80% chance of developing breast cancer during their lives.
Injuries within
A past result of hyperplasia (lobular or ducal) increases the risk of atypical 4 or 5 times.
Slightly Risk High distant family history
I.e., breast cancer in more distant relatives such as aunts, grandparents and cousins.
Abnormal breast biopsy in the past
Women who had biopsies showing one of the following cases have a slightly higher risk: complex fibro adenomas, endometrial hyperplasia without atypical, sclera using ad enosis and solitary pap illume.
Childbirth age
Having your first child after 30 or never having children. Early menarche
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