Maternal Exposure to Magnetic Fields During Pregnancy in Relation to the Risk of Asthma in Offspring

Author(s): De-Kun Li, M.D., Ph.D.; Hong Chen, MPH; Roxana Odouli, MSPH
Publication: Archives of Pediatrics & Adolescent Medicine
Volume: 165(10):945-950
Publisher: American Medical Association
Date: October 2011

Objective: To determine whether maternal exposure to high levels of magnetic fields (MFs) during pregnancy is associated with the risk of asthma in offspring.
Main Outcome Measures: Asthma was clinically diagnosed among 626 children who were followed up for as long as 13 years. All participants carried a meter to measure their MF levels during pregnancy.
Conclusion: Our findings provide new epidemiological evidence that high maternal MF levels in pregnancy may increase the risk of asthma in offspring.

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