The prevalence of smoking among young women of developing countries is 20-30%, mean while its national prevalence is around 40-55%. Maternal smoking during pregnancy has been associated with adverse outcomes such as: spontaneous abortions, stillbirth, preterm birth, fetal growth restriction, neurodevelopmental disorders, cancers, sudden infant death syndrome, placental complications and oral-facial cleft. About of respiratory health, children of women who smoke during pregnancy are at increased risk ofhospitalization, lower respiratory illness, wheezing during childhood, physician-diagnosed asthma, bronchial hyperresponsiveness and chronic deficits in lung function had a more pronounced effect on forced expiratory flows. Reduction of smoking-related adverse pregnancy outcomes requires that existing primary preventive tools, aimed to prevent youth smoking and cessation of smoking among women of childbearing age