It’s not that you can’t tap your shoulder during pregnancy, but tapping your shoulder as a bad prank can easily lead to a frightened pregnant woman. Because pregnant women are more vulnerable during pregnancy, if frightened will lead to a rapid heart rate, this time even arrhythmia, so when a 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 pregnant women, do not let pregnant women be affected by fright. And when the pregnant woman is frightened, it may seriously affect the contractions, the uterus will be contracted all the time and the stomach tight, the consequences are very serious, if it lasts a long time easily lead to fetal oxygen deprivation.