Does second-hand smoke affect the baby if the pregnant woman smells it too much?

Pregnant women smelling second-hand smoke has a certain effect on the baby. Cigarettes are mainly composed of nicotine, nicotine is a toxic chemical, pregnant women smell second-hand smoke for a long time, will cause the contraction of the placental blood vessels, resulting in a decrease in the blood supply of the fetus, causing fetal hypoxia. In addition, nicotine can also cause malformation of the fetus, damage to the liver, kidneys and other organs of the fetus, and also cause retardation of fetal development, affecting the intelligence of the fetus, and even cause the death of the fetus and so on. During pregnancy, women should prohibit smoking and should not smell second-hand smoke to reduce the exposure to toxic substances, and should take appropriate nutritional supplements to increase the intake of vitamins and undergo regular obstetric examinations to ensure the normal and healthy development of the fetus.

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