The brown discharge at 10 weeks of pregnancy is usually an abnormal phenomenon, which may be a pre-eclampsia, embryonic arrest or ectopic pregnancy, or cervical disease. 1. Pre-eclampsia: 10 weeks of pregnancy belongs to the early stages of pregnancy, during this period of brown discharge may be pre-eclampsia, because during this period of embryonic development is unstable, if the uterus is subjected to greater vibration, it is easy to lead to vaginal bleeding, the blood is mixed in the leukorrhea inside the manifestation of brown discharge, usually accompanied by paroxysms of abdominal pain. 2. Embryonic Fertilization: If the embryo has stopped, there are usually no other uncomfortable symptoms in the early stage, the main performance is that there will be a small amount of brown vaginal discharge. 3. Ectopic pregnancy: If a woman has an ectopic pregnancy, the gestational sac develops to a certain extent and usually there will be a small amount of irregular bleeding, the color is darker, manifested as brown secretions, and usually there is also the symptom of lower abdominal pain. 4. Cervical disease: 10 weeks pregnant with cervical disease, such as cervical polyps, cervicitis, cervical cancer, etc., may also be manifested as a small amount of brown vaginal discharge. Early pregnancy with brown discharge for a while, it is recommended to actively go to the regular hospital, a clear diagnosis, follow the doctor’s instructions to take the appropriate solution, so as not to delay the condition.