The symptoms of pregnancy abortion are as follows: 1. it can be manifested as vaginal bleeding; 2. it can be manifested as severe pain in the lower abdomen; 3. it can be manifested as the disappearance of pregnancy reaction in patients with early pregnancy; 4. it can be manifested as the disappearance of breast swelling and pain; 5. in the middle and late stages after 20 weeks of pregnancy, pregnant women who have been able to feel the fetal movement suddenly feel the disappearance of fetal movement, which indicates that the embryo may stop developing. Pregnant women with symptoms of pregnancy stoppage should go to the hospital for examination and treatment in time, and patients diagnosed with embryonic abortion should terminate their pregnancy as soon as possible.