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Smoking Early In Pregnancy Raises Risks Of Heart Defects In Newborns  

The study, published in the April issue of Pediatrics, shows that women who smoked anytime during the month before pregnancy to the end of the first trimester were more likely to give birth to infants with certain congenital heart defects (CHDs) compared to women who did not smoke during this time period. The association was stronger for mothers who reported heavier smoking during this time period.

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