The differences between ectopic pregnancy and normal pregnancy are as follows: 1. different pregnancy sites: normal pregnancy embryos are laid in the uterine body cavity, while ectopic pregnancy is laid outside the uterine body cavity, the most common site is the fallopian tube; 2. different clinical symptoms: in normal pregnancy, there will be nausea, vomiting and early pregnancy reaction when menopause occurs after pregnancy, while the typical symptoms of ectopic pregnancy are abdominal pain and irregular vaginal bleeding when menopause occurs, and in serious cases, there will be The typical symptoms of ectopic pregnancy are abdominal pain, irregular vaginal bleeding, fainting and shock, and a mass in the lower abdomen; 3, different under ultrasound: in normal pregnancy, the expectant sac can be seen in the uterine cavity under ultrasound, and the yolk sac, fetal heart and fetal bud can be seen.