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Trends in maternal mortality in Switzerland among Swiss and foreign nationals, 1969–2006

  • Original Article
  • Published:
International Journal of Public Health

Abstract

Objectives

To test whether maternal mortality was higher among immigrant women than Swiss women.

Methods

All maternal deaths and live births in Switzerland from 1969 to 2006 from official vital statistics were considered. We calculated maternal mortality ratios (MMRs) in four time intervals (1969–1979, 1980–1989, 1990–1999, 2000–2006) for both Swiss and immigrant women overall, and for Italian, Spanish and Turkish women. We also computed the odds ratios and 95% confidence intervals of maternal mortality over the four time periods, considering maternal deaths as cases, and live births as controls.

Results

From 1969 to 2006 there were 279 maternal deaths, 204 of Swiss women and 75 of immigrant women. Women’s age, marital status and cause of death were similar in the two groups. For immigrant women, the crude odds ratio of a pregnancy ending with maternal death, not homogeneous across the four periods, was 4.38 (95% CI 1.88–10.55) in 2000–2006.

Conclusions

Immigrant women have a higher risk of maternal mortality than Swiss women. A closer scrutiny of risk factors and quality of care is necessary to identify opportunities for prevention.

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Acknowledgments

We would like to thank two unknown referees for their thoughtful suggestions, the Federal Office of Statistics for making available records of maternal mortality and live births, and Elisabeth von Gunten for assistance with ICD-8 and ICD-10 coding of maternal mortality.

Conflict of interest

The authors declare that they have no competing interests.

Author information

Authors and Affiliations

Authors

Corresponding author

Correspondence to Paola Bollini.

Additional information

This paper belongs to the special issue “Migrants and ethnic minorities in Europe: new challenges for public health research and practice”.

Appendix

Appendix

List of countries of origin with at least one maternal death and number of maternal deaths, Switzerland 1969–2006.

Country

No. of maternal deaths

Austria

1

Bosnia–Herzegovina

1

China

1

Congo–Kinshasa

1

France

4

Germany

1

Guinea–Bissau

1

Italy

30

Macedonia

1

Malaysia

1

Portugal

3

South Africa

1

Spain

11

Sri Lanka

1

Thailand

1

Turkey

6

United Kingdom

1

Yougoslavia

1

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Bollini, P., Wanner, P. & Pampallona, S. Trends in maternal mortality in Switzerland among Swiss and foreign nationals, 1969–2006. Int J Public Health 56, 515–521 (2011). https://doi.org/10.1007/s00038-010-0213-9

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  • DOI: https://doi.org/10.1007/s00038-010-0213-9

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