Reddening of the leukorrhea is a bloody discharge and is usually considered an abnormal condition. Normal leukorrhea should be milky white or relatively clear and colorless. There are several possible reasons for the redness of the leukorrhea: 1, ovulation bleeding: some patients with redness of the leukorrhea appear in the ovulation period, 2-3 days disappeared, generally suggesting that there is bleeding during ovulation, occasionally appear when you can observe, if back to normal, no special treatment; 2, coitus leads to bleeding: no disease premise, the process of coitus, due to excessive friction to stimulate the vaginal wall bleeding, there may be blood in the leukorrhea 3, gynecological diseases: when the phenomenon of red leucorrhea does not change for a long time, you need to go to the hospital to identify the cause, it may be gynecological inflammation such as vaginitis, cervicitis, etc., due to inflammatory stimulation, resulting in red leucorrhea with blood, which can be accompanied by local itching. Some women who have bloody leucorrhea after intercourse may have lesions such as polyps, erosions or even malignant tumors in the cervical area, causing leucorrhea with blood after sexual intercourse. These conditions require patients to visit the gynecology department for examination and treatment for the cause; 4. Pre-eclampsia: If a pregnant woman has red leucorrhea, she needs to pay attention to the presence of pre-eclampsia.