Signs of a bad cervix include increased leukorrhea, contact bleeding, and a bad odor. The leukorrhea of a bad cervix may increase and may appear yellow, red or watery, and may also appear foamy, which is mostly abnormal. Women with a bad cervix may experience contact bleeding after intercourse, which is different from physiological bleeding and is abnormal. Women with bad cervix have a bad smell of vaginal discharge, which may be accompanied by fishy odor at the same time, which is aggravated after sexual intercourse, and may be accompanied by mild itching or burning sensation of the vulva, which is a place to pay special attention to. If the body of the above symptoms may represent the cervix is not good, to go to the hospital in a timely manner to seek medical treatment, make a correct diagnosis, should not be ignored.