Introduction: The increasing use of the electromagnetic field producer sets in daily living causes concerns about these waves on human health. The effects of extremely low frequency electromagnetic field (50 Hz) on induction of chromosomal damages on bone marrow erythrocytes of male Balb/C mouse has been investigated in this research. Materials and Methods: This is an experimental study in which the laboratory system of producing electromagnetic with low frequency (50 Hz) was used. Five week old male Balb/C mice were divided into three controls, sham-exposed and experimental groups. The experimental mice exposed were exposed to electromagnetic field (50 gauss) for 4 days (12 hours/day). After treatment, the chromosomal damages were assessed using micronucleus test in polychromatic erythrocytes and resultant quantity data were analyzed using t and Mann-Whitney test. Results: Results showed that frequency of micronucleated polychromatic erythrocytes of experimental group (14/35±1/589) was more than Sham-exposed (8/958±1/049) and control group (7/65±0/768) significantly (p<0/05). Conclusion: Extremely low frequency electromagnetic field (50 Hz) causes chromosomal damages induction in polychromatic erythrocytes of bone marrow male Balb/C mouse.

Keywords: Electromagnetic field, erythrocytes, Micronucleus test, Balb/C.

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