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Related Experiment Videos

Maternal stress and preterm birth.

N Dole1, D A Savitz, I Hertz-Picciotto

  • 1Department of Epidemiology, School of Public Health, University of North Carolina at Chapel Hill, 27599-8120, USA. nancy_dole@unc.edu

American Journal of Epidemiology
|December 31, 2002
PubMed
Summary

High pregnancy-related anxiety and negative life events increase preterm birth risk. Social support and depression levels did not significantly impact preterm birth rates in this study.

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Area of Science:

  • Reproductive Health
  • Psychosocial Epidemiology
  • Perinatal Outcomes

Background:

  • Preterm birth remains a significant public health concern with complex etiology.
  • Psychosocial factors are increasingly recognized as potential contributors to adverse pregnancy outcomes.
  • Understanding these influences is crucial for developing targeted interventions.

Purpose of the Study:

  • To investigate the association between various psychosocial factors and preterm birth.
  • To examine the role of life events, social support, depression, anxiety, discrimination, and neighborhood safety.
  • To identify specific psychosocial risk factors for preterm delivery.

Main Methods:

  • Prospective cohort study of 1,962 pregnant women in North Carolina (1996-2000).

Related Experiment Videos

  • Assessment of psychosocial factors including life events, social support, depression, pregnancy-related anxiety, perceived discrimination, and neighborhood safety.
  • Statistical analysis using risk ratios (RR) and confidence intervals (CI) to determine associations with preterm birth (<37 weeks).

    • Main Results:

    • Increased risk of preterm birth associated with high pregnancy-related anxiety (RR=2.1) and negative life events (RR=1.8).
    • Perceived racial discrimination also showed an increased risk for preterm birth (RR=1.4).
    • No significant association found between social support, depression, or neighborhood safety and preterm birth.

    Conclusions:

    • Pregnancy-related anxiety and negative life events are significant psychosocial risk factors for preterm birth.
    • Perceived racial discrimination may also contribute to preterm delivery.
    • While medical comorbidities can influence the association, psychosocial factors like anxiety remain linked to preterm birth.