The danger of smoking in pregnant women is to cause miscarriage, fetal malformation, etc. If there is no good remedy for smoking, it is necessary to strengthen the obstetric examination to detect fetal malformation, and at the same time to strictly quit smoking. Pregnant women are not allowed to smoke during pregnancy. The ingredients in tobacco have a great impact on the growth and development of the fetus, which may result in restricted growth and development, fetal malformation, miscarriage and so on. If you have already smoked during pregnancy, tobacco will have an effect on the fetus, and there is no way to eliminate this effect, you can only stop in time and stop smoking. Pregnant women with smoking habit need to strengthen the obstetric examination, if found fetal abnormality, according to the severity of the fetal condition to decide whether to continue the pregnancy. If the pregnancy can be continued, pregnant women must not continue to smoke. During pregnancy, you should also pay attention to balanced nutrition and maintain a healthy lifestyle.