Genetic mutation during pregnancy refers to a mutation in the genes of the fetus, which has a small chance of occurring. Fetus in general the gene is not mutated, but does not rule out special circumstances. Genetic mutation has a very great impact on the fetus, not only affecting the growth and development of the fetus, but also leading to developmental deformities, fetal death, miscarriage and other serious cases. The use of certain drugs, chemical pollution, radiation and other reasons during pregnancy may induce the possibility of fetal gene mutation. Therefore, pregnant women must pay more attention during pregnancy and consult a doctor before taking medication to avoid affecting the health of the fetus. Pregnant women need to take a pregnancy test during pregnancy, which will help them test the quality of the embryo, and once a serious genetic mutation or other abnormalities are detected, they need to be dealt with under the guidance of a doctor. Pregnant women do not need to worry too much during pregnancy, calm your mind and exercise in moderation, which is good for yourself and your fetus. If you experience any discomfort during pregnancy, it is recommended that you seek immediate medical attention and take appropriate measures under the guidance of your doctor.