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Effects of pre- and postnatal exposure to 1880-1900MHz DECT base radiation on development in the rat.

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Stasinopoulou M, Fragopoulou AF, Stamatakis A, Mantziaras G, Skouroliakou K, Papassideri IS, Stylianopoulou F, Lai H, Kostomitsopoulos N, Margaritis LH · 2016

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DECT cordless phone radiation caused brain cell loss and heart rate changes in developing rats at household exposure levels.

Plain English Summary

Summary written for general audiences

Researchers exposed pregnant rats to DECT phone base station radiation (the same frequency as cordless phones) for 12 hours daily during pregnancy and early life. They found increased heart rates in developing embryos, altered birth measurements in newborns, and significant brain cell loss in the hippocampus region of 22-day-old pups. These brain changes occurred whether the animals were exposed only before birth or both before and after birth.

Why This Matters

This study reveals concerning developmental effects from DECT base station radiation at exposure levels you might encounter in your home with a cordless phone system. The 3.7 V/m electric field intensity used here is well within the range of typical household DECT exposures, making these findings directly relevant to pregnant women and developing children. What makes this research particularly significant is that it demonstrates measurable brain damage in the hippocampus, a region critical for learning and memory, along with cardiac effects during fetal development. The fact that prenatal exposure alone was sufficient to cause brain cell loss suggests that the developing nervous system is especially vulnerable to this type of radiation. This adds to the growing body of evidence showing that current safety standards, which only consider heating effects, fail to protect against biological impacts during critical developmental windows.

Exposure Details

Electric Field
3.7 V/m
Source/Device
1880-1900MHz
Exposure Duration
12h/day

Exposure Context

This study used 3.7 V/m for electric fields:

Building Biology guidelines are practitioner-based limits from real-world assessments. BioInitiative Report recommendations are based on peer-reviewed science. Check Your Exposure to compare your own measurements.

A logarithmic frequency spectrum from 10 Hz to 100 GHz showing where this study's 1.90 GHz exposure sits relative to common EMF sources.Where This Frequency Sits on the EMF SpectrumELFVLFLF / MFHF / VHFUHFSHFmm10 Hz100 GHzThis study: 1.90 GHzPower lines50/60 Hz5G mm28 GHzLogarithmic scale

Study Details

To study the effects of pre- and postnatal exposure to 1880-1900MHz DECT base radiation on development in the rat.

In the present study, to evaluate the effects of wireless 1880-1900MHz Digital Enhanced Communicatio...

The data showed that DECT base radiation exposure caused heart rate increase in the embryos on the 1...

Cite This Study
Stasinopoulou M, Fragopoulou AF, Stamatakis A, Mantziaras G, Skouroliakou K, Papassideri IS, Stylianopoulou F, Lai H, Kostomitsopoulos N, Margaritis LH (2016). Effects of pre- and postnatal exposure to 1880-1900MHz DECT base radiation on development in the rat. Reprod Toxicol. 65:248-262, 2016.
Show BibTeX
@article{m_2016_effects_of_pre_and_1342,
  author = {Stasinopoulou M and Fragopoulou AF and Stamatakis A and Mantziaras G and Skouroliakou K and Papassideri IS and Stylianopoulou F and Lai H and Kostomitsopoulos N and Margaritis LH},
  title = {Effects of pre- and postnatal exposure to 1880-1900MHz DECT base radiation on development in the rat.},
  year = {2016},
  
  url = {https://pubmed.ncbi.nlm.nih.gov/27544572/},
}
PubMed: 27544572

Cited By (12 papers)

Quick Questions About This Study

Yes, a 2016 study found that DECT base station radiation (1880-1900MHz) increased embryonic heart rates in pregnant rats on the 17th day of pregnancy. The animals were exposed to the same frequency used by cordless phones for 12 hours daily during pregnancy.
Research shows DECT base radiation (1880-1900MHz) caused significant pyramidal cell loss in the CA4 region of the hippocampus in 22-day-old rat pups. This brain damage occurred whether exposure happened only before birth or both before and after birth.
A 2016 rat study found that prenatal exposure to DECT base station radiation (1880-1900MHz) for 12 hours daily caused significant changes in newborns' body measurements. The radiation exposure occurred throughout pregnancy and affected normal developmental parameters.
DECT base station radiation exposure caused over-expression of GFAP (glial fibrillary acidic protein) in the hippocampus of developing rats. This protein change indicates brain inflammation and glial cell activation in response to the 1880-1900MHz radiation exposure.
Yes, research demonstrates that DECT base radiation (1880-1900MHz) causes brain cell loss and protein changes in the hippocampus that researchers suggest could lead to developmental behavioral changes. The damage occurred in young animals exposed during fetal development.