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Do cellular phones alter blood parameters and birth weight of rats?

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Dasdag S; Akdag MZ; Ayy ld z O, Demirtas OC, Yayla M, Sert C. · 2000

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Cell phone radiation at typical use levels reduced birth weight in rat offspring, suggesting pregnant women should minimize EMF exposure.

Plain English Summary

Summary written for general audiences

Researchers exposed pregnant rats to cell phone radiation at levels similar to human exposure (0.155 W/kg SAR) and found that while blood parameters remained normal, offspring were born with significantly lower birth weights. The effect disappeared in the next generation, suggesting the impact was limited to direct exposure during pregnancy.

Why This Matters

This study adds important evidence to growing concerns about EMF exposure during pregnancy. The SAR level of 0.155 W/kg is well within the range of typical cell phone use, making these findings directly relevant to pregnant women who use mobile devices. What makes this research particularly significant is that it found measurable effects on developing offspring at exposure levels considered safe by current standards. The reality is that developing fetuses may be more vulnerable to EMF effects than adults, yet our safety standards don't account for this increased sensitivity. While the researchers found the effects didn't persist to the next generation, the immediate impact on birth weight raises questions about what other developmental effects might occur during this critical period that weren't measured in this study.

Exposure Details

SAR
0.155 W/kg

Where This Falls on the Concern Scale

Study Exposure Level in ContextStudy Exposure Level in ContextThis study: 0.155 W/kgExtreme Concern - 0.1 W/kgFCC Limit - 1.6 W/kgEffects observed in the Extreme Concern rangeFCC limit is 10x higher than this level

Study Details

The present study aimed to investigate the effects of microwaves (MW) emitted by cellular phones (CPs) on peripheral blood parameters and birth weights of rats.

Thirty-six albino rats were divided into four groups, male (n = 6) and female sham-exposed groups (n...

No blood parameters differed following exposure (p > 0.05). The birth weight of offspring in the exp...

Cite This Study
Dasdag S; Akdag MZ; Ayy ld z O, Demirtas OC, Yayla M, Sert C. (2000). Do cellular phones alter blood parameters and birth weight of rats? Electromag Biol Med. 19:107-113, 2000.
Show BibTeX
@article{o_2000_do_cellular_phones_alter_923,
  author = {Dasdag S; Akdag MZ; Ayy ld z O and Demirtas OC and Yayla M and Sert C.},
  title = {Do cellular phones alter blood parameters and birth weight of rats?},
  year = {2000},
  doi = {10.1081/JBC-100100301},
  url = {https://www.tandfonline.com/doi/abs/10.1081/JBC-100100301?journalCode=iebm19},
}
DOI: 10.1081/JBC-100100301

Cited By (42 papers)

Quick Questions About This Study

Research shows cell phone radiation during pregnancy can reduce birth weight in offspring. A 2000 study found pregnant rats exposed to cell phone radiation at human-equivalent levels gave birth to significantly smaller babies, though blood parameters remained normal throughout pregnancy.
Animal studies suggest a potential link between phone radiation and reduced birth weight. Researchers found that pregnant rats exposed to cell phone radiation at 0.155 W/kg produced offspring with significantly lower birth weights compared to unexposed mothers.
Limited research indicates potential risks to fetal development from cell phone radiation during pregnancy. One study found reduced birth weights in rat offspring when mothers were exposed to phone radiation, though effects didn't persist to the next generation.
Current research shows cell phone radiation may affect fetal growth during pregnancy. A controlled study found pregnant rats exposed to phone radiation produced babies with significantly lower birth weights, while maternal blood parameters remained completely normal throughout exposure.
Phone radiation appears to influence fetal growth patterns during pregnancy based on animal research. Studies show exposure during pregnancy can result in reduced birth weight in offspring, though the mechanism behind this effect remains unclear to researchers.