Volume 16, Number 2 (Scientific Journal of Hamadan University of Medical Sciences-Summer 2009)                   Sci J Hamadan Univ Med Sci 2009, 16(2): 11-15 | Back to browse issues page


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Jasemi M, Kheradmand A, Saki G, Zaynali M. Effect of Electromagnetic Fields and Protective Effect of Zinc Sulfate on Count and Motility of Adult Rat's Sperms. Sci J Hamadan Univ Med Sci . 2009; 16 (2) :11-15
URL: http://sjh.umsha.ac.ir/article-1-316-en.html

, ghasemsaki@yahoo.com
Abstract:   (692 Views)

Introduction & Objective: The aim of this study was to investigate the effect of electromagnetic field on the count and motility of adult rat's sperms and the protective effect of different dosages of zinc sulfate on it.

Materials & Methods: Thirty two adult male rats were subdivided randomly into 4 groups: group1:serve as untreated controls,group2:was exposed to an electromagnetic field but received no additional treatment, groups 3 and 4: were exposed to electromagnetic radiation but respectively received 200 ppm and 500 ppm oral zinc sulfate daily. After 40 days all rats were killed and their epidydimises were removed and after extraction and incubation of sperm in incubator fewer than 37°C and 5% co2 for an hour the count and motility of sperms were examined under ×10 power of inverted microscope. Sperms were categorized into three groups on the basis of their motility: progressive motility, non progress motility and immotile. Sperm count determination by counting of 10 chambers in which sperm were counted.

Results: The mean sperm count was56.6±7.96 in the group 1 and in the groups 2, 3 and 4, 30.2±1.31, 38.6 ±2.09and 42.5±6.74 respectively. Therefore the group 2 had a significantly lower sperm count in comparison with the other groups( p<0.05).sperm with progressive motility was 52.25±3.88 in group 1, 22.35±1.82 in group 2, 49.26±1.66in group 3 and 46.11±4.05 in group 4. Therefore the group 2 had a significantly lower sperm motility in comparison with the other groups (p<0.05). There was no difference between the other groups (p>0.05).

Conclusion: Testicular tissue damage can be caused as a result of exposure to an electromagnetic field. This damage can be preserved by zinc supplementation but there is not any significant difference between different administrated dosages of zinc sulfate.

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Type of Study: Original | Subject: Special

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