Regarding the established risk factors for breast cancer, all are true, EXCEPT:

Question

Accepted Answer

Occurrence in Indian women is about a decade earlier than in western women

Answer

Breast cancer is common in higher socioeconomic groups

Answer

Prior breast biopsy of benign breast disease is associated with a decreased risk of Ca breast

Answer

40 or more years of menstruation doubles the risk of Ca breast as compared with 30 years

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