http://articles.mercola.com/sites/articles/archive/2001/04/04/estrogen-part-one.aspxPostmenopausal women who use estrogen replacement therapy (ERT) for more than 10 years may be have twice the risk of dying from ovarian cancer as their peers who did not take ERT. Amazingly, even women who used estrogen for 10 or more years but stoppedenCommunityServer 2008.5 SP1 (Build: 31106.3070)