It’s not that you can’t tap on the shoulder during pregnancy, but tapping on the shoulder as a bad prank can easily lead to a pregnant woman being frightened. Because pregnant women are more fragile during pregnancy, if they are frightened it will lead to a rapid heart rate, and at this time even arrhythmia will occur. So when the pregnant woman is frightened, the fetus may also be frightened, this time will affect the development of the fetus, so it is best to protect the pregnant woman, do not let the pregnant woman is affected by the impact of the shock. And when the pregnant woman is frightened, the contractions may be seriously affected.