The use of medication in mid-pregnancy, if standardized, generally does not lead to genetic mutations. However, if the medication is not regulated in accordance with medical advice, it may lead to genetic mutation, and in serious cases, the fetus may be malformed. During pregnancy, if a pregnant woman is stimulated by drugs or infected by chemicals, it may lead to gene mutation. Pregnant women need to combine their own situation before taking drugs, ask the doctor’s guidance, follow the doctor’s instructions standardized use of drugs, generally less harmful to the body, will not lead to genetic mutation. However, if you don’t follow the doctor’s instructions and take the medication without authorization, it may lead to genetic mutation, affecting the growth and development of the fetus, or in serious cases, leading to fetal deformity, or stillbirth, which is detrimental to the health of the body. Pregnant women need to follow the doctor’s instructions during pregnancy and undergo regular checkups, so as to know the condition of the fetus. At the same time, you need to ensure sufficient rest time, do not overwork or stay up late for a long time. In terms of diet, eat more food rich in vitamins and proteins to balance the nutrition.