Brown discharge at different stages of pregnancy represents different situations and should be analyzed according to the actual situation. Brownish discharge is normal in the fertilized egg implantation stage, while brownish discharge during labor may indicate that the fetus is about to be delivered. It may also be a sign of pre-miscarriage, preterm labor, placenta praevia, placenta previa, cervical polyps and so on. 1. Fertilized egg implantation: During the implantation of the fertilized egg into the uterine lining, small blood vessels may rupture, resulting in brown discharge, which is usually normal and can be relieved on its own. 2. During pregnancy: It may be due to miscarriage, preterm labor, placenta praevia, placenta previa, cervical polyps and so on. 3. Prolonged labor: women will have regular contractions during the period of prolonged labor, and the symptoms of brown discharge will appear when the fetus is about to be delivered, so it is recommended to go to the hospital in time to wait for the delivery of the baby. If the symptoms of brown discharge are more serious, it is recommended to consult a doctor in time, with the help of the doctor to clarify the cause of the disease, and to carry out targeted treatment or treatment, so as to avoid delays in the condition.