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Subacute exposure to 50-Hz electromagnetic fields affect prenatal and neonatal mice’s motor coordination.

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Sakhnini L, Al Ali H, Al Qassab N, Al Arab E, Kamal A. · 2012

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Prenatal exposure to power-frequency electromagnetic fields impaired motor learning in mice, suggesting developing brains are vulnerable to EMF during pregnancy.

Plain English Summary

Summary written for general audiences

Researchers exposed pregnant mice to power line frequency electromagnetic fields for seven days, then tested their babies' motor skills. Mice exposed in the womb showed significant learning deficits compared to unexposed mice, suggesting developing brains are particularly vulnerable to EMF during pregnancy.

Why This Matters

This research adds to growing evidence that electromagnetic fields can interfere with brain development during the most vulnerable stages of life. The 50 Hz frequency used in this study is identical to the power grid frequency in most of the world, making these findings directly relevant to human exposure from power lines, household wiring, and electrical appliances. What makes this study particularly concerning is that it demonstrates prenatal EMF exposure can cause lasting neurological effects that persist after birth. The science demonstrates that developing nervous systems are more susceptible to environmental toxins than mature ones, and this study suggests EMFs should be considered among those potential developmental hazards. While we can't directly extrapolate from mice to humans, the biological mechanisms underlying brain development are remarkably similar across mammalian species, giving these findings significant relevance for human health.

Exposure Details

Magnetic Field
1 mG
Source/Device
50 Hz
Exposure Duration
7 days

Exposure Context

This study used 1 mG for magnetic 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.

Where This Falls on the Concern Scale

Study Exposure Level in ContextStudy Exposure Level in ContextThis study: 1 mGExtreme Concern - 5 mGFCC Limit - 2,000 mGEffects observed in the Severe Concern rangeFCC limit is 2,000x higher than this level
A logarithmic frequency spectrum from 10 Hz to 100 GHz showing where this study's 50 Hz exposure sits relative to common EMF sources.Where This Frequency Sits on the EMF SpectrumELFVLFLF / MFHF / VHFUHFSHFmm10 Hz100 GHzThis study: 50 HzCell phones~1 GHzWiFi2.4 GHz5G mm28 GHzLogarithmic scale

Study Details

In this study, we investigate the possible effect of ELF-EMFs on motor performance in mice (prenatal and neonatal exposed mice).

The mice performance is evaluated after 5 days of subacute exposure. Immature mice have been chosen ...

Results from the rotarod experiments demonstrated a pronounced deficit in the learning abilities of ...

Cite This Study
Sakhnini L, Al Ali H, Al Qassab N, Al Arab E, Kamal A. (2012). Subacute exposure to 50-Hz electromagnetic fields affect prenatal and neonatal mice’s motor coordination. J. Appl. Phys. 111(7):07B314, 2012.
Show BibTeX
@article{l_2012_subacute_exposure_to_50hz_292,
  author = {Sakhnini L and Al Ali H and  Al Qassab N and Al Arab E and  Kamal A. },
  title = {Subacute exposure to 50-Hz electromagnetic fields affect prenatal and neonatal mice’s motor coordination.},
  year = {2012},
  doi = {10.1063/1.3672285},
  url = {https://aip.scitation.org/doi/abs/10.1063/1.3672285},
}

Cited By (9 papers)

Quick Questions About This Study

Research shows power line electromagnetic fields may impact developing brains. A 2012 study found baby mice exposed to 50-Hz fields during pregnancy had significant learning deficits and motor coordination problems compared to unexposed mice.
Studies suggest 50-Hz electromagnetic fields during pregnancy may affect fetal brain development. Researchers found pregnant mice exposed to these fields for seven days produced offspring with pronounced learning deficits and impaired motor skills.
Research indicates electrical wiring frequencies may impact fetal development. A study exposing pregnant mice to 50-Hz electromagnetic fields found their babies showed significant learning problems, suggesting developing brains are particularly vulnerable during pregnancy.
Power frequency electromagnetic fields may pose risks to developing brains. Research found mice exposed to 50-Hz fields in the womb had learning deficits and motor coordination problems, while exposure after birth showed no pronounced effects.
EMF exposure during pregnancy appears to impair motor coordination development. A study found baby mice whose mothers were exposed to 50-Hz electromagnetic fields showed significant deficits in learning motor tasks compared to unexposed controls.