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According to the CDC press release February 28, 2011:

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.

"Women who smoke and are thinking about becoming pregnant need to quit smoking and, if they're already pregnant, they need to stop," said CDC Director Thomas R. Frieden, M.D., M.P.H. "Quitting is the single most important thing a woman can do to improve her health as well as the health of her baby."

Based on the findings of this and other studies, eliminating smoking before or very early in pregnancy could prevent as many as 100 cases of right ventricular outflow tract obstructions and 700 cases of atrial septal defects each year in the United States. For atrial septal defects alone, that could potentially save $16 million in hospital costs.

See the link below for the full press release.

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13y ago
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13y ago

Yes. According to a new study and a press release February 28, 2011, smoking during pregnancy is associated with heart defects in the infants. See the related link below for the CDC press release on those findings.

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13y ago

The baby's developing heart is affected just like the smoker's heart and circulatory system are. A press release today (February 28, 2011) from the CDC now confirms what has been long suggested. Heart defects are connected to smoking during pregnancy. See the link below.

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Q: Does smoking cause birth defects
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