During a pregnancy there are many choices to be made and smoking should not be one of them. Smoking while pregnant can cause major effects before the birth of the child and also in the child's future. Here are a few effects before the actual birth of the child: 1) Cigarettes contains a large number of chemicals that harm unborn babies. 2) Smoking raises the levels of carbon monoxide in your bloodstream. This gives less oxygen for baby. 3) Nicotine tightens the blood vessels, meaning the oxygen is passed over less effectively to the baby 4) Miscarriage or stillborn.
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