Environmental tobacco smoke and risk of spontaneous abortion.

  title={Environmental tobacco smoke and risk of spontaneous abortion.},
  author={Lena George and Fredrik N Granath and Anna L V Johansson and G{\"o}ran Ann{\'e}ren and Sven Cnattingius},
  volume={17 5},
BACKGROUND Studies of exposure to environmental tobacco smoke (ETS) and risk of spontaneous abortion are limited to a few studies of self-reported exposure, and the results have been inconsistent. The aim of this study was to investigate risk of early spontaneous abortion related to ETS and active smoking as defined by plasma cotinine levels. METHODS We conducted a population-based case-control study in Uppsala County, Sweden, between January 1996 and December 1998. Cases were 463 women with… CONTINUE READING