Eating spoiled food does not usually cause fetal malformation. However, the specific effects should be assessed by a professional medical organization and no conclusion should be drawn blindly. Food generally does not cause fetal malformation. Gastrointestinal discomfort, such as nausea, vomiting, diarrhea, etc., may occur after eating spoiled food, and timely medical attention and treatment will have little effect on the fetus. It is not recommended to consume spoiled food after pregnancy. Eating large quantities of spoiled food for a long time may cause food poisoning, which may also affect the normal growth and development of the fetus in the uterus, but generally does not cause fetal malformation. Fetal malformations are mainly caused by chromosomal abnormalities, exposure to radiation, pollution, drugs and other factors, and food generally does not cause fetal malformations. Whether there is any effect on the fetus after eating spoiled food should be assessed by a professional medical institution, and the maternity test during pregnancy will enable you to know the specific development of the fetus in the uterus. Try to choose fresh food after pregnancy, do not eat spoiled food. If there is any discomfort, seek medical attention promptly.