"Quitting [smoking] is the most important thing a woman can do to improve her health as well as the health of her baby," said CDC Director Thomas R. Frieden, M.D. M.P.H. in the CDC press release.
Today, nearly 40,000 infants are born with congenital heart defects in the US every year and in 2004, hospital costs for these defects were $1.4 billion, according to the CDC.
If you are pregnant or are thinking of becoming pregnant and need help to quit smoking, click here for the Wisconsin Women's Health Foundation's First Breath program.
You can also call 1-800-QUIT-NOW or visit the Wisconsin's Quitline site by clicking here.
For more information on the study:
Click here for more info on birth defects and smoking or call 1-800-CDC-INFO.