Pregnancy outcomes

Summery

The association between tobacco use and pregnancy outcomes has been investigated in a recently publish cohort study comprising women who used snus or smoked daily and a control who didn’t use tobacco.

Important research results on Swedish snus:

• Daily use of snus during pregnancy is associated with a modest reduction in average birth weight.
  
• Daily use of snus during pregnancy is associated with a significant increase in risk of preterm delivery and preeclampsia.
  
• Daily use of snus during pregnancy is not associated with risk of small-for-gestational-age birth.
  

England et al. (2003) used data from the Swedish Medical Birth Register to compare the birth outcomes of 789 women who used snus daily, 11240 women who smoked cigarettes daily and 11495 women who used no tobacco products. Four health points were evaluated: birth weight, small-for-gestational-age birth, preterm delivery and preeclampsia.
The results showed that compared to non-users of tobacco, the average birth weight of babies born to snus users was reduced by 39 grams, whereas that of cigarette smokers was reduced by 190 grams. The risk of having a small-for-gestational-age baby among snus users was similar to that of non-users of tobacco, but it was significantly increased among cigarette smokers. The results also showed that the risk of preterm delivery was significantly elevated both in snus users and cigarette smokers compared to non-users of tobacco. In addition snus users are at significantly increased risk of preeclampsia.

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SWMA Jul 30, 2010 5:29 PM CET 170.5 SEK +1.5%