In the early stages of pregnancy, if there is a brown discharge all the time, it is considered to be a pre-eclampsia, which is related to the instability of the fetus, as well as the poor quality of the embryo. Most pregnant women with preeclampsia are able to improve their symptoms significantly with fertility preservation treatment. However, in a few cases, the embryo is poorly developed and there is persistent vaginal bleeding during pregnancy, which may eventually lead to fetal arrest, or inevitable miscarriage. After pregnant women have brown discharge, it is recommended to take a good rest, and at the same time, do not be overly nervous, because pregnancy is a process of eugenics, pregnant women should maintain a good state of mind in pregnancy, and should be actively preservation of the fetus treatment.