Successful conception during the preparation period can not run, its belongs to a more strenuous exercise, running in early pregnancy is likely to lead to the emergence of lower abdominal pain, vaginal bleeding and other symptoms of preeclampsia. If you have the habit of exercising, it is best to do it after the third month of pregnancy, and pay attention to the intensity and time of the exercise so as not to cause adverse effects on the fetus. At the beginning of pregnancy, the development of the embryo is still unstable, it is easy to be stimulated by the outside world and the phenomenon of preeclampsia, at this time you need to rest more and reduce sports, but also to avoid high-intensity work, can not be too tired, and go to fewer places to avoid being infected by bacteria and viruses. Early pregnancy is an important stage of embryonic development, in order to prevent deformities can be supplemented with folic acid after pregnancy and away from the environment with radiation, can not be exposed to harmful substances. At the same time, we should pay attention to enhance the nutrition, many pregnant women in early pregnancy have vomiting reaction, this time the diet should be light, easy to digest and eat less greasy food and eat more fresh fruits and vegetables.