Maternal stress and preterm birth.

@article{Dole2003MaternalSA,
  title={Maternal stress and preterm birth.},
  author={Nancy J Dole and David A Savitz and Irva Hertz-Picciotto and Anna Maria Siega-Riz and Michael J. McMahon and Pierre Buekens},
  journal={American journal of epidemiology},
  year={2003},
  volume={157 1},
  pages={
          14-24
        }
}
This study examined a comprehensive array of psychosocial factors, including life events, social support, depression, pregnancy-related anxiety, perceived discrimination, and neighborhood safety in relation to preterm birth (<37 weeks) in a prospective cohort study of 1,962 pregnant women in central North Carolina between 1996 and 2000, in which 12% delivered preterm. There was an increased risk of preterm birth among women with high counts of pregnancy-related anxiety (risk ratio (RR) = 2.1… 

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