Having children early in life lowers lifetime risk of breast cancer

[News]

Women who have children, particularly early in life, have a lower lifetime risk of breast cancer compared with women who do not. Now, Fox Chase Cancer Center researchers have identified a gene expression pattern in breast tissue that differs between post-menopausal women who had children and post-menopausal women who did not.

More... (http://www.news-medical.net/news/20110406/Having-children-early-in-life-lowers-lifetime-risk-of-breast-cancer.aspx)