From The Australian Women's Weekly Health Series: Cancer Prevention. Buy the Book. Each year about 1200 Australian women are diagnosed with ovarian cancer, and about 700 die from it. Around one in 100 women will develop ovarian cancer before the age of 75. Information on how you can lower your chances of getting ovarian cancer is limited. And unlike Pap tests, which test for cervical cancer before symptoms appear, there is no screening test for ovarian cancer. Ovarian cancer is not one of the most common cancers. It’s also not a disease that you can do a lot to prevent or pick up early. What causes Ovarian Cancer? While the causes of ovarian cancer are not known, there are a number of factors that increase a women’s likelihood of developing this disease.