Study links smoking during pregnancy to birth defects

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SMOKING in pregnancy increases the risk of many congenital defects, including cleft palate and club foot, according to the first systematic review of the literature, spanning 50 years.

... Smoking in pregnancy was associated with increased risk of cleft palate (28%), club foot (28%), craniostenosis (33%), hernia (40%) and gastroschisis (50%), with more modest increases in risk for heart and musculoskeletal defects.