If a woman is in the non-menstrual period, appear below the blood, and mucus, consider that there is abnormal vaginal bleeding. If it happens to be in the ovulation period, and there is no coitus stimulation, it is the ovulation period estrogen fluctuation decline, resulting in a small amount of endothelial exfoliation and caused by the performance of ovulation bleeding. However, if a woman has blood mucus down there after intercourse, it is caused by localized cervical lesions, such as common cervical polyps, or even cervical erosion or cervical intraepithelial neoplasia. However, if a woman is pregnant and develops bloody mucus, it can be due to miscarriage with precursor signs or even due to ectopic pregnancy.