Changes

*'''Prolonged uninterrupted exposure to estrogen''' (e.g. by having an early [[menarche]] and late [[menopause]] or by having no full-term pregnancies).<ref> http://www.breastcancer.org/cmn_who_indrisk.html </ref>

*'''Prolonged uninterrupted exposure to estrogen''' (e.g. by having an early [[menarche]] and late [[menopause]] or by having no full-term pregnancies).<ref> http://www.breastcancer.org/cmn_who_indrisk.html </ref>

*'''Personal history of breast cancer'''

*'''Personal history of breast cancer'''

*'''[[Abortion]]''' has not been found to be as risk for breast cancer, although randomized controlled trials are not practical.[http://www.cancer.gov/cancerinfo/ere]

*'''[[Abortion]]''' has not been found to be a cause of breast cancer.<ref>[http://www.cancer.gov/cancerinfo/ere]</ref><ref>[http://www.fwhc.org/abortion/abcancer.htm Abortion and Breast Cancer]</ref>

This concept of risk should be put into the context of other risks A woman's risk of dying of breast cancer is similar to her risk from radon by living in [[Cornwall]], England. <ref> http://www.cplusc.co.uk/risks.html </ref>  

This concept of risk should be put into the context of other risks A woman's risk of dying of breast cancer is similar to her risk from radon by living in [[Cornwall]], England. <ref> http://www.cplusc.co.uk/risks.html </ref>