A vague pain in the abdomen in early pregnancy does not necessarily mean ectopic pregnancy. When the fertilized egg first implants, you may feel a vague pain in your lower abdomen. In fact, this is a normal phenomenon. Only when the fertilized egg successfully implants in the uterus and settles down can the fetus grow smoothly. The abdominal pain in early pregnancy is partly due to the growth of the uterus and the elongation of the ligaments and muscles supporting the uterus, which is a physiological phenomenon and not a cause for concern. However, if the abdominal addiction pain in early pregnancy persists and cannot be relieved, you should visit the hospital promptly. Ectopic pregnancy, pre-eclampsia, low progesterone level and uterine adnexal inflammation may all cause abdominal pain in early pregnancy. When pregnant women have abdominal addiction pain, they should follow the medical advice for symptomatic treatment. If it is diagnosed as a normal physiological reaction, pregnant women should relax and avoid excessive stress.