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Effects of radiofrequency electromagnetic waves (RF-EMW) from cellular phones on human ejaculated semen: an in vitro pilot study.

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Agarwal A, Desai NR, Makker K, Varghese A, Mouradi R, Sabanegh E, Sharma R. · 2009

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One hour of cell phone radiation significantly reduced sperm movement and survival while increasing cellular damage.

Plain English Summary

Summary written for general audiences

Researchers exposed human sperm samples to cell phone radiation for one hour and compared them to unexposed samples from the same men. The exposed sperm showed significantly reduced movement and survival rates, plus increased oxidative stress (cellular damage from harmful molecules). This suggests that men who keep their phones in their pants pockets during calls might be harming their fertility.

Why This Matters

This Cleveland Clinic study adds to mounting evidence that cell phone radiation directly damages male reproductive cells. What makes this research particularly compelling is the controlled design - each man served as his own control, eliminating variables that could skew results. The one-hour exposure duration mirrors real-world phone use, and the effects on sperm motility and viability are exactly what you'd expect to see with fertility problems. The oxidative stress findings are especially concerning because this type of cellular damage can accumulate over time. While the study didn't measure specific radiation levels, cell phones in talk mode typically emit their highest power output. The reality is that millions of men routinely carry active phones near their reproductive organs, often for hours daily. This isn't about avoiding technology entirely - it's about making informed choices about proximity and duration of exposure.

Exposure Information

Specific exposure levels were not quantified in this study. Duration: 1 hour

Study Details

To evaluate effects of cellular phone radiofrequency electromagnetic waves (RF-EMW) during talk mode on unprocessed (neat) ejaculated human semen.

Neat semen samples from normal healthy donors (n = 23) and infertile patients (n = 9). After liquefa...

Samples exposed to RF-EMW showed a significant decrease in sperm motility and viability, increase in...

Radiofrequency electromagnetic waves emitted from cell phones may lead to oxidative stress in human semen. We speculate that keeping the cell phone in a trouser pocket in talk mode may negatively affect spermatozoa and impair male fertility.

Cite This Study
Agarwal A, Desai NR, Makker K, Varghese A, Mouradi R, Sabanegh E, Sharma R. (2009). Effects of radiofrequency electromagnetic waves (RF-EMW) from cellular phones on human ejaculated semen: an in vitro pilot study. Fertil Steril. 92(4) 1318-1325, 2009.
Show BibTeX
@article{a_2009_effects_of_radiofrequency_electromagnetic_1812,
  author = {Agarwal A and Desai NR and Makker K and Varghese A and Mouradi R and Sabanegh E and Sharma R.},
  title = {Effects of radiofrequency electromagnetic waves (RF-EMW) from cellular phones on human ejaculated semen: an in vitro pilot study.},
  year = {2009},
  
  url = {https://pubmed.ncbi.nlm.nih.gov/18804757/},
}
PubMed: 18804757

Cited By (434 papers)

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Quick Questions About This Study

Yes, this 2009 study found that one-hour exposure to cell phone radiation significantly reduced sperm movement and survival rates. Men who keep phones in trouser pockets during talk mode may experience decreased sperm motility and impaired fertility according to the research.
Yes, researchers found that radiofrequency electromagnetic waves from cell phones significantly increased ROS (reactive oxygen species) levels in human sperm samples. This oxidative stress represents cellular damage from harmful molecules that can negatively impact male fertility.
In this study, just one hour of cell phone radiation exposure significantly decreased sperm viability compared to unexposed samples from the same men. The effects on sperm survival rates occurred relatively quickly during the laboratory testing period.
No, this particular study found no significant DNA damage in sperm exposed to cell phone radiation for one hour. While sperm motility and viability decreased significantly, the DNA damage levels showed no significant differences from unexposed samples.
Cell phone radiation exposure significantly decreased ROS-TAC scores in human sperm samples. This indicates reduced antioxidant capacity, meaning the sperm had less ability to protect themselves against oxidative stress and cellular damage from harmful molecules.