Do nurses have worse pregnancy outcomes than non-nurses?

Hui Ju Yang, Feng Yu Kao, Yiing Jeng Chou, Nicole Huang, Kuang Yi Chang, Li Yin Chien

Research output: Contribution to journalArticlepeer-review

17 Scopus citations


BACKGROUND: Nurses encounter multiple occupational exposures at work which may harm their reproductive health. The purpose of the study was to compare pregnancy complications and outcomes including cesarean deliveries, tocolysis, miscarriage, and preterm labor between female nurses and comparable women who were not nurses in Taiwan.

METHODS: This nationwide population-based study was performed using the National Health Insurance Research Database from 1997 to 2008. We identified 3,656 pregnancies among 2,326 nurses and 111,889 pregnancies among 74,919 non-nurses. A generalized estimating equation was used to compare risks between the two groups.

RESULTS: The rates of tocolysis (28.6 vs 22.3%), miscarriage (6.0 vs 5.3%), and preterm labor (8.1 vs 4.4%) were significantly higher among nurses than non-nurses. After adjustment for background differences, nurses had significantly higher risks for cesarean section (adjusted OR 1.12 [95% confidence interval (CI) 1.03-1.22]), tocolysis (OR 1.18 [95% CI 1.09-1.29]), and preterm labor (OR 1.46 [95% CI 1.28-1.67]) than non-nurses.

CONCLUSIONS: Nurses are at higher risk for cesarean section, tocolysis, and preterm labor than non-nurses. Occupational exposure related to these adverse pregnancy outcomes should be examined. Strategies to decrease the risks should be developed to improve reproductive health among nurses.

Original languageEnglish
Pages (from-to)262-267
Number of pages6
Issue number3
StatePublished - 1 Sep 2014


  • cesarean section
  • nurse
  • occupational health
  • pregnancy complications
  • pregnancy outcomes


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