1. Bleeding after intercourse; 2. Significantly reduced menstrual flow after abortion, or amenorrhea! 3, abdominal distension, change in bowel habits; 4, heavy menstruation, accompanied by anemia; 5, dysmenorrhea, worsening month by month; non-menstrual pain; 6, increased leucorrhea, with implications; vulvar itching; 7, mother or sister with endometrial cancer, breast cancer, active regular review; 8, post-menopausal bleeding!