Maternal Alcohol and Tobacco Use and Nausea and Vomiting During Pregnancy: Relation to Infant Birthweight

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Abstract
A recent report documented a decreased probability of nausea and vomiting during pregnancy (NVP) in women who were simultaneously both regular drinkers and smokers, especially if these habits existed before pregnancy. Maternal smoking and drinking have both been linked with decreased infant birthweight, as has absence of NVP. The question posed by these findings is whether the decrease in birthweight associated with absence of NVP is in fact due to regular maternal drinking and smoking. The data presented here indicate that this is not the case; NVP is related to infant birthweight, even after adjustment for maternal alcohol and tobacco use.

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