Pregnancy through security check is not affected, through the security check radiation is not much impact on the fetus, so do not worry, it is recommended to pay attention to rest, regular maternity check, oral folic acid tablets, early pregnancy is not recommended long-distance travel, late pregnancy is also to travel less, in the middle of the time if you want to go through security check, take the plane and so on these cases, is required to have family members accompanied, try to sit by the window seat, on the one hand The first aspect is to relieve the air circulation, the symptoms of hypoxia, and on the other hand, you can get on the plane or after the car to pay attention to keep enough sleep, it is best to have a family member accompany you, you can eat some chewing gum or eat some fruit and so on, to relieve the pressure, must be assured that the security check on the fetus is not significant, do a good job of the maternity screening, the major teratology can be.