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It's very important not to smoke during and after pregnancy. Take this quiz to learn how smoking could affect your baby.
If you smoke, you are more than 3 times more likely to have a baby who weighs too little at birth than people who don't smoke. You also are more likely to have a lower-birth-weight baby if you are exposed to secondhand smoke while pregnant. Babies born too small or too early can have more health problems. They are also more likely to need special care after birth. Low-birth-weight babies who are born to people who smoke also are at higher risk for illness and death.
Babies born to people who smoke during pregnancy are more likely to have these birth defects: