The symptoms and early signs of ovarian cancer mainly include the following aspects. Patients may experience persistent lower abdominal pain for no apparent reason, and some patients may experience radiating pain in the vulvar area, while others may show early clinical signs of abdominal bloating. The symptoms and early signs of ovarian cancer are not very numerous. Some patients may exhibit menstrual irregularities, such as increased or decreased menstruation, prolonged periods, or irregular vaginal bleeding. A few patients may experience abnormal vaginal discharge, which can be mixed with an unusual odor and a small amount of blood.