How does early pregnancy have brown blood to do

Early pregnancy has brown blood phenomenon, consider is the occurrence of threatened abortion, there may be ectopic pregnancy, it is recommended to do b-ultrasound, blood hcg and other examinations in a timely manner to the hospital, give symptomatic treatment after a clear cause. If it is threatened abortion, should be given treatment. If ectopic pregnancy, it is recommended that timely surgery to terminate pregnancy.