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Physical work load and gestational age at delivery

A P Koemeester1, J P Broersen, P E Treffers

  • 1Coronel Laboratory, University of Amsterdam, The Netherlands.

Occupational and Environmental Medicine
|May 1, 1995
PubMed
Summary
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High physical workload during pregnancy may shorten gestational age at delivery. Reducing physical demands on pregnant workers is recommended to prevent adverse effects on birth timing.

Area of Science:

  • Occupational health
  • Maternal-fetal medicine
  • Public health

Background:

  • Pregnancy involves significant physiological changes, and occupational exposures can influence maternal and fetal outcomes.
  • Understanding the impact of physical job tasks during pregnancy is crucial for developing targeted workplace interventions.

Purpose of the Study:

  • To evaluate the association between occupational physical activity and gestational age at delivery.
  • To determine if physical workload during pregnancy affects birth timing.

Main Methods:

  • A questionnaire was administered to qualified nurses at 15 weeks of gestation.
  • Participants detailed their job tasks, physical activities (walking, standing, lifting, stooping, squatting, sitting), and occupational stressors.
  • Data on gestational age at delivery was collected.

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Main Results:

  • A significant correlation was observed between a high daily physical workload during pregnancy and gestational age at delivery.
  • Exposure to chemical and infectious agents in the workplace did not show a significant impact on gestational age.

Conclusions:

  • Diminishing the physical workload for pregnant employees is advised to mitigate potential negative effects on gestational age.
  • Workplace policies should consider reducing strenuous physical activities for pregnant workers.