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Effects of prenatal 900 MHz electromagnetic field exposures on the histology of rat kidney.

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Ulubay M, Yahyazadeh A, Deniz OG, Kıvrak EG, Altunkaynak BZ, Erdem G, Kaplan S. · 2014

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Prenatal cell phone frequency exposure damaged kidney development in rats, but melatonin and omega-3 supplements provided complete protection.

Plain English Summary

Summary written for general audiences

Researchers exposed pregnant rats to 900 MHz radiofrequency radiation (the same frequency used by many cell phones) and examined the kidneys of their offspring at four weeks old. They found that prenatal EMF exposure caused the kidneys to grow larger but have fewer filtering units called glomeruli, which are essential for proper kidney function. Importantly, giving the mothers melatonin or omega-3 supplements during pregnancy prevented these harmful effects.

Why This Matters

This study adds to growing evidence that EMF exposure during pregnancy can affect developing organs in ways that persist after birth. The 900 MHz frequency used here is identical to what many cell phones emit, making these findings directly relevant to pregnant women who use mobile devices. What makes this research particularly compelling is the demonstration that natural protective compounds like melatonin and omega-3 fatty acids can prevent EMF-induced kidney damage. The science demonstrates that developing tissues are especially vulnerable to EMF exposure, and the kidney changes observed here suggest functional impairment that could affect long-term health. While we need more research to fully understand the implications, this study reinforces why pregnant women should consider minimizing EMF exposure and potentially increasing protective nutrients.

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

Specific exposure levels were not quantified in this study. The study examined exposure from: 900 MHz

Study Details

To research the harmful effects of prenatal exposure of 900 megahertz (MHz) electromagnetic field (EMF) on kidneys of four-week-old male rats and to determine protective effects of melatonin (MEL) and omega-3 (ω-3).

Twenty-one Wistar albino rats were randomly placed into seven groups as follows: Control (Cont), Sha...

Stereological results determined the mean volume of the kidneys and cortices were significantly incr...

Prenatal exposure of rat kidneys to 900 MHz EMF resulted in increased total kidney volume and decreased the numbers of glomeruli. Moreover, MEL and ω-3 prevented adverse effects of EMF on the kidneys.

Cite This Study
Ulubay M, Yahyazadeh A, Deniz OG, Kıvrak EG, Altunkaynak BZ, Erdem G, Kaplan S. (2014). Effects of prenatal 900 MHz electromagnetic field exposures on the histology of rat kidney. Int J Radiat Biol. 2014 Aug 1:1-25.
Show BibTeX
@article{m_2014_effects_of_prenatal_900_2643,
  author = {Ulubay M and Yahyazadeh A and Deniz OG and Kıvrak EG and Altunkaynak BZ and Erdem G and Kaplan S.},
  title = {Effects of prenatal 900 MHz electromagnetic field exposures on the histology of rat kidney.},
  year = {2014},
  
  url = {https://pubmed.ncbi.nlm.nih.gov/25084839/},
}
PubMed: 25084839

Cited By (50 papers)

Quick Questions About This Study

Yes, a 2014 study found that prenatal exposure to 900 MHz radiation (cell phone frequency) caused enlarged kidneys with fewer filtering units called glomeruli in rat offspring. This could impair proper kidney function throughout life.
Yes, researchers found that giving pregnant rats melatonin supplements completely prevented kidney damage from 900 MHz EMF exposure. The offspring had normal kidney size and proper numbers of filtering units when mothers received melatonin.
Yes, omega-3 fatty acid supplements given to pregnant rats prevented all kidney abnormalities from 900 MHz EMF exposure. The protective effect was similar to melatonin, maintaining normal kidney development in offspring.
Prenatal 900 MHz EMF exposure causes kidneys to grow abnormally large while reducing the number of glomeruli, the tiny filtering units essential for removing waste from blood. This creates kidneys that are bigger but less functional.
The kidney abnormalities from prenatal 900 MHz EMF exposure were still present at four weeks of age in the study, suggesting these developmental changes may persist throughout life and affect long-term kidney function.