Smoking in pregnancy does not necessarily mean that the fetus will be malformed, but it usually increases the chance of fetal malformation. Cigarettes contain more harmful substances, such as nicotine, tar, carbon monoxide, etc., if a woman is exposed to these harmful substances after pregnancy, these may be absorbed through the placenta to affect the growth and development of the fetus, and in serious cases, may make the fetus deformed. For the health of the fetus, it is recommended that women do not smoke after pregnancy and stay away from second-hand smoke. In addition to not smoking, women should avoid alcohol and eat less processed food to avoid affecting the healthy development of the fetus. Usually need to rest more, can not be tired, diet to ensure balanced nutrition, but also to maintain a good state of mind, is conducive to the healthy development of the fetus. If there is any physical discomfort during pregnancy, do not take medication without authorization, but go to a regular hospital in time and follow the doctor’s instructions to adopt the appropriate solution.