To be precise, there is basically no effect on the fetus. When a situation like this occurs, there is no need to worry because it will not cause much damage to the fetus. Generally speaking, when a pregnant woman is frightened, her heart rate will increase, adrenaline will surge, blood pressure will become high, hands and feet will sweat, and her face will turn white. Then, it may cause the baby’s fetal movement frequently, heartbeat accelerated, etc., but it is not a big problem. However, pregnant women should be careful not to be in this state for a long time and not to be frightened for a long time. This excessive tension, over-emotion, or extreme depression and severe stimulation can cause some damage to the child. There may be miscarriages, abnormal fetal development and other more serious situations. During pregnancy, you should be careful to keep your mood relaxed. It is recommended to pay more attention to the diet during this period, the dishes should be light and not too spicy and too stimulating food. It is recommended to eat more vitamin-rich fruits and protein-rich meat foods. Besides, green vegetables such as bok choy should also be consumed more often. Then, also pay attention to walk more, go out in the sun, breathe fresh air and so on, which is good for the body and mind.