Changes

*'''Race/ethnicity''': not a strong risk factor in the development of breast cancer, but affects time of diagnosis, and access to care.<ref> http://www.womenshealthnetwork.org/advocacy/wocbreastca/natam.htm </ref>   

*'''Race/ethnicity''': not a strong risk factor in the development of breast cancer, but affects time of diagnosis, and access to care.<ref> http://www.womenshealthnetwork.org/advocacy/wocbreastca/natam.htm </ref>   

*'''Benign breast disease''' confers a slightly higher risk

*'''Benign breast disease''' confers a slightly higher risk

*'''Obesity''' <ref> http://society.guardian.co.uk/cancer/story/0,,686105,00.html </ref>

*'''Obesity''': this is a more significant risk factor in postmenopausal women.  Before menopause, the effect is unclear. <ref> http://society.guardian.co.uk/cancer/story/0,,686105,00.html </ref>

*'''Family history''' if such a history involves having several generations affected by breast cancer or having many relatives diagnosed with breast cancer at less than 50 years old <ref> http://www.breastcancer.org/cmn_who_indrisk.html </ref>

*'''Family history''' if such a history involves having several generations affected by breast cancer or having many relatives diagnosed with breast cancer at less than 50 years old <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>

*'''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>