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Smoking While Pregnant Raises Risk of Infant Heart Defects by Up to 70%

February 28, 2011 By MedNews Leave a Comment

Maternal cigarette smoking in the first trimester was associated with a 20 to 70 percent greater likelihood that a baby would be born with certain types of congenital heart defects, according to a study by the Centers for Disease Control and Prevention. Congenital heart defects are the most common type of birth defects, contributing to approximately 30 percent of infant deaths from birth defects annually.

The study found an association between tobacco exposure and certain types of defects such as those that obstruct the flow of blood from the right side of the heart into the lungs (right ventricular outflow tract obstructions) and openings between the upper chambers of the heart (atrial septal defects). The study is in the Feb. 28 issue of the journal Pediatrics. [Read more…]

Filed Under: Pediatrics & Parenting Tagged With: Birth Defects, Heart Defects, smoking, Smoking During Pregnancy, Smoking Mothers

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