Pink discharge in early pregnancy may be caused by physiological factors, pre-miscarriage, ectopic pregnancy, gynecological diseases and other factors. 1. physiological factors: in early pregnancy, the fertilized egg in the uterine lining of the bed, may lead to a small amount of bleeding, will make the lower body there is a pink discharge, bleeding time will not be too long, usually can be returned to normal. 2. Pre-eclampsia: In early pregnancy, excessive sexual intercourse or strenuous exercise may induce pre-eclampsia, which will lead to pink discharge from the lower body, accompanied by mild abdominal pain. 3. Ectopic pregnancy: when there is an ectopic pregnancy, there will also be vaginal bleeding, so that the vagina appears pink discharge, not timely treatment, the bleeding will increase significantly, and may even lead to hemorrhage, accompanied by severe abdominal pain. 4. Gynecological diseases: In early pregnancy, when a woman suffers from some gynecological diseases, such as vaginitis, cervicitis, etc., it can lead to pink vaginal discharge, accompanied by lower abdominal pain, vaginal itching and other symptoms. Pink discharge in early pregnancy, and also accompanied by some other abnormal manifestations, it is recommended to consult a doctor for detailed examination and treatment.