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Özyılmaz C, Daşdağ S, Oktay MF, Ulukaya E, Erkısa Genel M, Emre F, Yeğin K

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Authors not listed · 2025

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Prenatal WiFi exposure caused thyroid damage in rat offspring that persisted for one full year after birth.

Plain English Summary

Summary written for general audiences

Turkish researchers exposed pregnant rats to WiFi-frequency radiation (2.45 GHz) throughout pregnancy, then examined their offspring's thyroid glands one year after birth. The study found significant thyroid damage including increased cell death, DNA breaks, and tissue scarring in animals whose mothers were exposed during pregnancy. This suggests prenatal WiFi exposure may cause lasting thyroid problems that persist into adulthood.

Why This Matters

This study reveals a troubling reality about prenatal EMF exposure that extends far beyond pregnancy itself. The researchers found that WiFi-frequency radiation exposure during pregnancy caused thyroid damage that persisted for an entire year after birth - essentially showing that the harm from prenatal EMF exposure doesn't just disappear once the baby is born. What makes this particularly concerning is the exposure level used: 12 mW/kg whole-body SAR, which is well within the range of what pregnant women experience from everyday WiFi use, smartphones, and wireless devices. The thyroid damage observed - including increased cell death, DNA double-strand breaks, and tissue fibrosis - represents the kind of persistent biological changes that could translate into lifelong health problems. The science demonstrates that the developing thyroid is vulnerable to EMF during the critical prenatal period, and this vulnerability has lasting consequences that extend well into adulthood.

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.

Cite This Study
Unknown (2025). Özyılmaz C, Daşdağ S, Oktay MF, Ulukaya E, Erkısa Genel M, Emre F, Yeğin K.
Show BibTeX
@article{zylmaz_c_dada_s_oktay_mf_ulukaya_e_erksa_genel_m_emre_f_yein_k_ce3822,
  author = {Unknown},
  title = {Özyılmaz C, Daşdağ S, Oktay MF, Ulukaya E, Erkısa Genel M, Emre F, Yeğin K},
  year = {2025},
  doi = {10.1080/15368378.2025.2577318},
  
}
DOI: 10.1080/15368378.2025.2577318PubMed: 41125539

Quick Questions About This Study

Yes, this study found that prenatal exposure to 2.45 GHz radiation caused significant thyroid damage including increased fibrosis, cell death, and DNA breaks that persisted for one full year after birth in rat offspring.
Prenatal 2.45 GHz exposure caused increased thyroid fibrosis, atypical thyrocytes, degenerated follicles, reduced colloid, increased apoptosis, and DNA double-strand breaks that were still present one year after birth.
No, this study showed that thyroid damage from prenatal 2.45 GHz exposure persisted for at least one year after birth, suggesting the effects may be permanent or very long-lasting.
The study used 12 mW/kg whole-body SAR exposure, which is within the range of everyday WiFi and smartphone exposure levels that pregnant women commonly experience from wireless devices.
Yes, the study found significantly increased H2A.X antibody levels indicating DNA double-strand breaks in thyroid tissue of offspring whose mothers were exposed to 2.45 GHz radiation during pregnancy.