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The effects of long-term exposure to a 2450 MHz electromagnetic field on growth and pubertal development in female Wistar rats.

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Sangun O, Dundar B, Darici H, Comlekci S, Doguc DK, Celik S · 2015

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WiFi-frequency radiation during pregnancy delayed puberty and damaged brain and reproductive tissues in offspring, raising concerns about wireless exposure during development.

Plain English Summary

Summary written for general audiences

Researchers exposed pregnant and newborn female rats to WiFi-frequency radiation (2450 MHz) for one hour daily and tracked their development through puberty. Rats exposed in the womb showed slower growth, delayed puberty, and increased oxidative stress in brain and ovary tissues compared to unexposed controls. This suggests that WiFi radiation during critical developmental periods may disrupt normal reproductive maturation.

Why This Matters

This study adds concerning evidence to the growing body of research on EMF effects during critical developmental windows. The 2450 MHz frequency used is identical to what your WiFi router emits, making these findings directly relevant to modern households where pregnant women and children are continuously exposed. What makes this research particularly significant is its focus on prenatal exposure - the most vulnerable period when developing organ systems are establishing their basic architecture. The fact that just one hour of daily exposure during pregnancy led to measurable developmental delays and tissue damage in offspring should give us pause about our casual acceptance of ubiquitous wireless technology in homes and schools. While we can't directly extrapolate animal studies to humans, the biological mechanisms observed here - oxidative stress in reproductive and brain tissues - are well-established pathways for EMF harm across species.

Exposure Information

A logarithmic frequency spectrum from 10 Hz to 100 GHz showing where this study's 2.45 GHz exposure sits relative to common EMF sources.Where This Frequency Sits on the EMF SpectrumELFVLFLF / MFHF / VHFUHFSHFmm10 Hz100 GHzThis study: 2.45 GHzPower lines50/60 Hz5G mm28 GHzLogarithmic scale

Specific exposure levels were not quantified in this study. The study examined exposure from: 2450 MHz Duration: 1 h/day

Study Details

The aim of this study was to investigate the effects of a 2450 MHz electromagnetic field (EMF) (wireless internet frequency) on the growth and development of female Wistar rats.

The study was conducted on three groups of rats. The prenatal and postnatal groups were exposed to E...

Birth masses of the groups were similar (p > 0.05). Mass gain per day was significantly lower and th...

This is the first longitudinal study which investigates the effects of EMF induced by wireless internet on pubertal development beside growth.

Cite This Study
Sangun O, Dundar B, Darici H, Comlekci S, Doguc DK, Celik S (2015). The effects of long-term exposure to a 2450 MHz electromagnetic field on growth and pubertal development in female Wistar rats. Electromagn Biol Med. 2015 Mar;34(1):63-71.
Show BibTeX
@article{o_2015_the_effects_of_longterm_2563,
  author = {Sangun O and Dundar B and Darici H and Comlekci S and Doguc DK and Celik S},
  title = {The effects of long-term exposure to a 2450 MHz electromagnetic field on growth and pubertal development in female Wistar rats.},
  year = {2015},
  
  url = {https://pubmed.ncbi.nlm.nih.gov/24460416/},
}
PubMed: 24460416

Cited By (27 papers)

View all 27 citing papers on Semantic Scholar

Quick Questions About This Study

A 2015 study found that female rats exposed to WiFi radiation (2450 MHz) during pregnancy showed significantly delayed puberty and slower growth rates. The prenatal exposure group experienced later onset of puberty compared to unexposed controls, suggesting WiFi may disrupt normal reproductive development.
Research shows that daily exposure to 2450 MHz WiFi radiation significantly increased oxidative stress markers in brain tissue of female rats. The study found elevated TOS and OSI values, indicating chronic cellular stress from electromagnetic field exposure during critical developmental periods.
A longitudinal study demonstrated that female rats exposed to 2450 MHz radiation during prenatal development had significantly lower daily weight gain compared to controls. While birth weights were similar, the exposed group showed restricted postnatal growth throughout development.
Yes, research found that one hour daily exposure to 2450 MHz WiFi radiation significantly increased oxidative stress markers in ovary tissue. Female rats showed elevated TOS and OSI values in ovarian tissue, indicating cellular damage from chronic electromagnetic field exposure.
A 2015 study found that prenatal exposure to 2450 MHz WiFi radiation increased serum LH levels in female rats, while FSH and estradiol levels remained unchanged. This hormonal disruption occurred alongside delayed puberty and growth restriction in the exposed group.