Post-abortive conditioning to prepare for pregnancy includes preconception examination, taking folic acid, adjusting the state of life, and avoiding exposure to harmful substances. 1. Pre-pregnancy checkups: Women who have had a fetal arrest are advised to go to the hospital for pre-pregnancy checkups before preparing for pregnancy, such as chromosome checkups, immune function-related checkups, female hormone level tests, cervical function-related checkups, routine gynecological checkups, eugenics, thyroid function, liver and kidney function, and routine semen checkups for males, and other items. 2. Taking folic acid: During the preparation for pregnancy, both men and women should take folic acid tablets as prescribed by the doctor, women should take them until the first trimester of pregnancy, and men should take them until the woman is successfully pregnant. 3. Adjust the state of life: men and women should adjust the state of life, every day to ensure adequate sleep, and try to avoid staying up late at night, nutrition should be balanced, try to avoid picky eaters, appropriate exercise, enhance the body’s immune system. 4. Avoid contact with harmful substances: do not smoke, drink, take drugs, contact with chemical and radioactive substances during pregnancy preparation. After preparing for pregnancy for a period of time, men and women in good physical condition and then consider coitus to conceive, try to achieve eugenics.