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Reproductive Health176 citations

Biological and morphological effects on the reproductive organ of rats after exposure to electromagnetic field.

No Effects Found

Ozguner M, Koyu A, Cesur G, Ural M, Ozguner F, Gokcimen A, Delibas N · 2005

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Cell phone radiation decreased testosterone levels in rats after just 30 minutes daily exposure, suggesting reproductive hormones may be sensitive to RF fields.

Plain English Summary

Summary written for general audiences

Turkish researchers exposed male rats to 900 MHz radiofrequency radiation (similar to cell phones) for 30 minutes daily over 4 weeks and examined effects on reproductive organs. While the study found decreased testosterone levels and some structural changes in testicular tissue, the researchers concluded these changes did not significantly impact sperm production or overall reproductive function. The findings suggest cell phone-type radiation may cause hormonal changes but may not severely impair male fertility at these exposure levels.

Exposure Information

A logarithmic frequency spectrum from 10 Hz to 100 GHz showing where this study's 900 MHz exposure sits relative to common EMF sources.Where This Frequency Sits on the EMF SpectrumELFVLFLF / MFHF / VHFUHFSHFmm10 Hz100 GHzThis study: 900 MHzPower lines50/60 Hz5G mm28 GHzLogarithmic scale

The study examined exposure from: 900 MHz Duration: 30 minutes per day, 5 days a week for 4 weeks

Study Details

The biological effect of electromagnetic field (EMF) emitted from mobile phones is a current debate and still a controversial issue. Therefore, little is known on the possible adverse effects on reproduction as mobile phone bio-effects are only a very recent concern. The aim of this experimental study was to determine the biological and morphological effects of 900 MHz radiofrequency (RF) EMF on rat testes.

The study was performed in the Physiology and Histology Research Laboratories of Süleyman Demirel Un...

The weight of testes, testicular biopsy score count and the percentage of interstitial tissue to the...

The biological and morphological effects resulting from 900 MHz RF EMF exposure lends no support to suggestions of adverse effect on spermatogenesis, and on germinal epithelium. Therefore, testicular morphologic alterations may possibly be due to hormonal changes.

Cite This Study
Ozguner M, Koyu A, Cesur G, Ural M, Ozguner F, Gokcimen A, Delibas N (2005). Biological and morphological effects on the reproductive organ of rats after exposure to electromagnetic field. Saudi Med J. 26(3):405-410, 2005.
Show BibTeX
@article{m_2005_biological_and_morphological_effects_3283,
  author = {Ozguner M and Koyu A and Cesur G and Ural M and Ozguner F and Gokcimen A and Delibas N},
  title = {Biological and morphological effects on the reproductive organ of rats after exposure to electromagnetic field.},
  year = {2005},
  
  url = {https://pubmed.ncbi.nlm.nih.gov/15806208/},
}
PubMed: 15806208

Cited By (176 papers)

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Quick Questions About This Study

A 2005 Turkish study found that 30 minutes of daily 900 MHz radiofrequency exposure for 4 weeks significantly decreased testosterone levels in male rats. However, researchers concluded this hormonal change did not significantly impact sperm production or overall reproductive function.
Research shows 900 MHz radiation exposure can reduce the diameter of seminiferous tubules and decrease germinal epithelium height in rat testicles. Despite these structural changes, the study found no significant impact on actual sperm production processes.
A 4-week study using 900 MHz radiation (cell phone frequency) found no significant damage to sperm production in rats. While testosterone levels dropped and some tissue changes occurred, spermatogenesis remained essentially unaffected by the exposure.
Turkish researchers found 900 MHz EMF exposure caused decreased testosterone levels, smaller seminiferous tubule diameter, and reduced germinal epithelium height. However, testicular weight, sperm production scores, and overall reproductive function remained normal despite these changes.
Short-term 900 MHz radiation exposure (30 minutes daily for 4 weeks) caused hormonal changes in male rats but did not significantly impair fertility. The study concluded that observed testicular alterations were likely due to hormonal shifts rather than direct reproductive damage.