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Related Experiment Videos

Occupation and pregnancy outcome.

A D McDonald1, J C McDonald, B Armstrong

  • 1Institut de Recherche en Santé, Sécurité du Quebec du Travail, Montreal, Canada.

British Journal of Industrial Medicine
|August 1, 1987
PubMed
Summary

Certain occupations like sales, service, and manufacturing are linked to increased risks of adverse pregnancy outcomes, including spontaneous abortion, stillbirth, congenital defects, and low birth weight.

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Area of Science:

  • Occupational Health
  • Reproductive Epidemiology
  • Public Health

Background:

  • Pregnancy outcomes can be influenced by various factors, including occupational exposures.
  • Understanding these links is crucial for developing targeted health interventions.
  • Previous studies have suggested occupational risks, but comprehensive analysis is needed.

Purpose of the Study:

  • To investigate the association between maternal occupation and adverse pregnancy outcomes.
  • To identify specific occupational groups at higher risk for spontaneous abortion, stillbirth, congenital defects, and low birth weight.

Main Methods:

  • A large cohort study of 56,067 women in Montreal from 1982-1984.
  • Detailed interviews on occupational, social, and personal characteristics for 104,649 pregnancies.

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  • Logistic regression analysis controlling for up to eight confounding variables.

    • Main Results:

    • Women in sales, service, and manufacturing sectors showed higher risks for adverse outcomes compared to managerial, health, and clerical sectors.
    • Specific risks identified: spontaneous abortion (nursing aides, sales, food service); stillbirth (agriculture, leatherwork, sales); congenital defects (child care, service, metal/electrical goods manufacture); low birth weight (cleaners, food/drink, metal/electrical, clothing manufacture).

    Conclusions:

    • Maternal occupation is a significant factor associated with adverse pregnancy outcomes.
    • Specific industrial sectors and job roles are linked to increased risks, necessitating targeted occupational health strategies.