Bleeding in mid-pregnancy but everything is normal may be caused by cervical inflammation, placenta previa status and other reasons. 1. Cervical inflammation: when combined with cervical polyps, cervical inflammation, etc., it may cause a small amount of vaginal bleeding in mid-pregnancy, not accompanied by abdominal pain, and may recur vaginal bleeding, which can be diagnosed with the assistance of gynecological examination and ultrasonography. For cervical polyps that cause recurrent vaginal bleeding, they should be surgically removed as prescribed by the doctor and sent for pathologic examination. 2. Placenta previa: It refers to the situation that the lower edge of the placenta is close to, reaches or covers the cervical opening before 28 weeks of pregnancy by ultrasonography, which may cause vaginal bleeding after activity without abdominal pain, and can be diagnosed by combining with medical history and ultrasonography. To follow the doctor’s advice appropriate bed rest, but also stop bleeding and prevent infection treatment. When bleeding in mid-pregnancy but everything is normal, you need to go to the hospital in time to find out the cause and actively deal with it.