Tobacco use during pregnancy poses considerable risk to both mother and fetus … and is associated with low birth weight. Preterm or low birth weight babies (weighing less than five pounds, eight ounces) are more susceptible to physical and cognitive difficulties later in life. …Those [mothers] who smoked prior to pregnancy were eight times more likely to smoke while pregnant. Therefore, we conclude that programs to prevent adolescent uptake of smoking should be redoubled.

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