Pregnant women stand for too long, if they do not have obvious discomfort, more will not have an impact on the fetus, but generally still try to avoid standing for a long time; if standing for a long time since the feeling of fatigue and discomfort, may also affect the fetus, overwork may lead to preterm abortion, preterm labor, etc., so pregnant women should try to avoid sitting or standing for a long time, need to rest appropriately. If there is no obvious discomfort after standing for a longer period of time, it means that the body is in good condition and will not adversely affect the fetus; if there is a very tiring situation after standing for a long time, it may induce contractions, which may lead to miscarriage or preterm labor in severe cases, and it is necessary to take a rest as soon as possible, and avoid standing for too long afterward. In general, pregnant women can moderate activities, but it is not recommended to stand too long. Pregnant women can take a walk and other methods of exercise, which can promote blood circulation throughout the body, for themselves and the fetus are helpful. If pregnant women stand too long after the emergence of leg swelling or abdominal pain and other symptoms continue to be unable to relieve, you need to go to the hospital in a timely manner, under the guidance of the doctor to deal with, to prevent the impact on the fetus.