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Related Experiment Videos

Occupational noise exposure during pregnancy: a case control study.

A L Hartikainen-Sorri1, M Sorri, H P Anttonen

  • 1Department of Obstetrics and Gynaecology, University of Oulu, Finland.

International Archives of Occupational and Environmental Health
|January 1, 1988
PubMed
Summary

Occupational noise exposure during pregnancy was investigated. This study found no significant link between workplace noise and premature birth or low birth weight in Finnish newborns.

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Area of Science:

  • Occupational Health
  • Reproductive Epidemiology
  • Environmental Health

Background:

  • Occupational noise exposure is a potential workplace hazard.
  • Its impact on human pregnancy outcomes requires further investigation.
  • Previous research on noise and adverse pregnancy outcomes is limited.

Purpose of the Study:

  • To examine the potential effects of occupational noise on human pregnancy.
  • To assess the association between workplace noise exposure and premature delivery or low birth weight infants.

Main Methods:

  • A case-control study design was employed.
  • Included 284 women with premature deliveries and 299 women with full-term, low birth weight infants.
  • A total of 1166 women (cases and matched controls) were analyzed for occupational noise exposure (≥81 dB; Leq(A)8h).

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Main Results:

  • Only 3.5% of women reported occupational noise exposure during pregnancy.
  • No significant difference in noise exposure was found between case groups and their controls.
  • Women reporting noise exposure experienced more work inconvenience and longer sick leaves.

Conclusions:

  • Occupational noise is unlikely to be a major risk factor for prematurity or low birth weight in Finnish newborns.
  • The small number of exposed women necessitates cautious interpretation of findings.
  • Noise-exposed pregnant workers reported greater work-related inconvenience and absenteeism.