When the condition is diagnosed at the earliest stage, nine out of 10 women will survive. The longer the disease is left to take hold of the body, the harder it'll be to treat. The charity offer a free ovarian cancer Symptoms Diary - available as an app on a smart phone or to print out. Target Ovarian Cancer encourage patients to request a CA125 blood test from their doctor. The general warning signs of cancer (Image: Express) READ MORE The NHS explained CA125 is produced by some ovarian cancer cells, with a high number in the blood a likely indicator of ovarian cancer.