Occasional use of microwave ovens by pregnant women usually has no effect on the fetus, but if used for a long time, it may also affect the growth and development of the fetus. When pregnant women are exposed to prolonged radiation during pregnancy, it will affect the health of the fetus, resulting in developmental malformations and chromosomal abnormalities. Although microwave ovens have radiation, but the amount of radiation is small, occasional use is not enough to the growth and development of the fetus as well as the health of the pregnant woman herself, but if used for a long time and receive a larger amount of radiation, it will also affect the health of the fetus. Pregnant women can use microwave ovens, but should pay attention to when the microwave oven is heating, try to stay away from, in the heat is not completed when not open the door of the microwave oven. Pregnant women are advised to minimize the use of electronic products in their daily life. In addition, they should undergo regular obstetric examinations until the fetus is delivered successfully.