WiFi has almost no effect on pregnant women, so there is no need to worry too much. WiFi frequency is high, but the power is not large, so the impact on pregnant women is very small, and the impact is limited to the skin surface of pregnant women, which is safe for the fetus. The fetus in the womb and the protection of amniotic fluid, amniotic fluid has a certain role in radiation protection, the lighter the radiation on the fetus almost no adverse effects. It is advisable to avoid viral infections and ionizing radiation during pregnancy, and not to worry too much about it, so as not to cause emotional stress and affect the normal endocrine secretion, which will affect the healthy development of the fetus. Early pregnancy is a critical period for fetal cell differentiation and is sensitive to any external factors that cause malformations, so it is recommended that pregnant women should take precautions. Pay attention to folic acid supplementation in early pregnancy to prevent fetal neural tube malformation.