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Is breast cancer risk related to the length of monthly cycles at a young age?

26-07-2005,
Terry KL et al.

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Is breast cancer risk related to the length of monthly cycles at a young age?

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Breasts

Extensive research has been done on the association of the age of first menstruation and menopause, and the length of menstrual cycles at a young age, with breast cancer risk and incidence.

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