Fever 39.4 in early pregnancy should be checked during pregnancy, if the fetus is not abnormal, the pregnancy can be normal, but if the fetus is abnormal, it is recommended to terminate the pregnancy in time. Early pregnancy is an important period of fetal growth and development, the health of the pregnant woman is crucial to the fetus. A fever of 39.4 in early pregnancy may lead to fetal malformations, increased miscarriage rate and other hazards. Therefore, a high fever in early pregnancy has a great impact on the fetus. However, due to the length of the fever and individual differences, the effect of high fever in early pregnancy on the fetus is not certain, so be sure to go to the hospital for examination and consultation. If there is no abnormality in the results of all the screening and amniocentesis of the fetus during pregnancy, the pregnancy can be normal, but close attention must be paid to any abnormality and it should be dealt with in time. However, if there are more serious malformations in the test results, timely termination of pregnancy is recommended. High fever in early pregnancy has a greater impact on the growth and development of the fetus, so pregnant women must pay attention to their health. If you have a fever, you must go to the hospital in time for examination and consultation, and choose the appropriate treatment plan under the guidance of the doctor.