Breast Self Exams: to do or not to do?

In 2002 a comprehensive 10 year study of Chinese factory workers to determine if knowledge of breast self exam (BSE) affected breast cancer mortality was published. This epidemiological study is cited as why BSE is no longer recommended. Unanswered questions include can the results of this study be generalized to different ethnicities, cultures, health systems and nationalities? Also prior to instruction 13.3% of control group (not BSE instructed) had practiced BSE in the past year. According to the authors: “Furthermore, a high proportion of women in the instruction group reported that they had found their breast cancer as a result of practicing BSE, and they sought medical attention after detecting their tumor in somewhat less time than did women in the control group”… Here is a copy of the 2002 paper.
http://jnci.oxfordjournals.org/content/94/19/1445.full.pdf+html

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