Document Detail

Teratological assessment of exposure to time-varying magnetic field.
MedLine Citation:
PMID:  3238604     Owner:  NLM     Status:  MEDLINE    
A teratological assessment was performed using rats that were exposed to an alternating magnetic field. The magnetic field had a sawtooth waveform similar to that produced by video display terminals (VDTs). Female rats were exposed 2 weeks prior to and throughout pregnancy at a rate of 7 h/day. Three intensities of magnetic field (5.7, 23 or 66 microT) were used. All of these field intensities were much greater than those to which VDT users are exposed. A slight but statistically significant decrease in maternal lymphocyte count for the highest intensity field was found as compared with the control group. However, the lymphocyte count was within the normal range, and the observed changes in hematological parameters were considered mild. No other maternal or fetal parameters that were examined showed a significant difference for any of the three field intensities. Where minor variations in skeleton development were observed they were known to be the common "noise" that appears in every teratological evaluation.
M A Stuchly; J Ruddick; D Villeneuve; K Robinson; B Reed; D W Lecuyer; K Tan; J Wong
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Teratology     Volume:  38     ISSN:  0040-3709     ISO Abbreviation:  Teratology     Publication Date:  1988 Nov 
Date Detail:
Created Date:  1989-05-10     Completed Date:  1989-05-10     Revised Date:  2007-11-15    
Medline Journal Info:
Nlm Unique ID:  0153257     Medline TA:  Teratology     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  461-6     Citation Subset:  IM    
Health and Welfare Canada, Ottawa, Ontario, Canada.
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MeSH Terms
Body Weight
Congenital Abnormalities / etiology*
Fetal Resorption
Litter Size
Organ Size
Placenta / anatomy & histology
Reference Values

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