Pregnant women can go through security checks. Subway security checks have basically no effect on pregnant women. The amount of radiation from security equipment to the human body is very small, the amount of radiation penetrates but the skin, are within the acceptable range of the body, and the contact time is very short, the pregnant woman and the fetus will not pose an impact, so after pregnancy can pass the security check, you can rest assured to take the subway, airplanes and other means of transport. If the pregnant woman in the early stages of pregnancy, the fetus is very sensitive, but also a critical period of the formation of various organs of the fetus, pregnant women try to stay away from places with ionizing radiation. Compared to security screening equipment, the radiation of household appliances in daily life is much greater to the human body, so it is recommended that pregnant women use computers, microwave ovens and other appliances as little as possible. Although the radiation from these devices to pregnant women as well as babies in most cases will not have an impact on their health, but after all, it is a hidden danger. Pregnant women are advised to go to the hospital for regular checkups after pregnancy to determine their own health and that of their babies to avoid accidents. In addition, during pregnancy, pregnant women should enhance nutrition and eat a balanced diet. Pay attention to rest and avoid exertion.