National Cancer Institute at the National Institutes of Health
Cancer.gov: Ovarian Cancer Home Page
This site by the National Cancer Institute provides general information about ovarian cancer. Also has links to more detailed information about treatment, prevention, genetics, causes and screening for ovarian cancer.
Macmillan Cancer Support
Cancerbackup: Ovarian Cancer Information Center
This effective site lists the different types of ovarian cancer and proceeds to examine the causes, diagnosis, treatment, after treatment, clinical trial, related cancers, and more.