Bleeding after brown discharge at the beginning of pregnancy may be caused by miscarriage with precursor, cessation of embryo development, ectopic pregnancy and other reasons. 1. Pre-eclampsia: early pregnancy pregnant mothers due to chromosomal abnormalities in the embryo, or the existence of underlying diseases in the pregnant mother’s own embryo implantation of unstable vaginal bleeding, bleeding is not much and the development of the embryo can be normal bed rest, can follow the doctor’s instructions oral progesterone capsules or intramuscular injection of progesterone injections and other fertility preservation treatments. 2. Embryo stop developing: the embryo in the pregnant mother’s uterine cavity has died but failed to discharge, can be manifested in the vagina first brown discharge and then bleeding symptoms, often accompanied by abdominal pain, usually need to terminate the pregnancy. 3. Ectopic pregnancy: women in the early stages of pregnancy, vaginal brown discharge and then bleeding, accompanied by a tear-like pain in the lower abdomen to the hospital, ultrasound examination of the uterine cavity without a gestational sac, the posterior fornix puncture extracted non-coagulation of blood, at this time to consider the ectopic pregnancy is usually the need for emergency surgical treatment. Pregnant mothers need regular obstetric examination, once the phenomenon of vaginal brown discharge or bleeding need to consult a doctor in a timely manner, under the guidance of a professional doctor symptomatic treatment, so as not to delay the condition.