Maternal smoking and the risk of XXXX : a cohort study.

@entity1 @entity154 @entity65 @entity600
BACKGROUND: The literature linking gestational smoking to @entity154 has been very inconsistent. The purpose of this study was to reinvestigate the relation between gestational smoking and @entity600 . METHODS: This study was a retrospective cohort (N = 18,016) of live births in the TriHealth Hospital system from 1 January 1998 to 31 December 1999. The cohort included 1,943 mothers who were smokers. @entity154 were grouped into 22 different categories. Multifactorial logistic regression was used to find any association between exposure and the possible outcomes. RESULTS: Mothers who smoked were significantly younger and had babies of lower birth weight and shorter gestational age (P < .05). Of the 22 categories of @entity154 , only @entity65 showed a significant difference (P < .01) between the two groups. The remaining 21 categories of @entity154 showed no statistical difference. CONCLUSION: @entity1 who smoke during pregnancy have @entity1 that are significantly smaller and of shorter gestational age compared with mothers who do not smoke. Based on these data and findings from most of the available literature, however, gestational smoking is unlikely to cause a large @entity600 .
