[The effect of environmental tobacco smoke during pregnancy on psychomotor child development].

The association between maternal smoking and retarded maternal condition and birth outcome is well know. Smoking during pregnancy increase risk of preterm delivery, hipotrofia, delayed developmental of respiratory and nervous system. The risk for most of thisconditions has been found to increase with the number of cigarettes smoked. The last examination shows that environmental tobacco smoke during pregnancy leads to physical problems, behavioral problems even mental retardation.