The effect of continuous exposure to low frequency electric fields on three generations of mice: a pilot study

Experientia · 1976 · Harm · Very low evidence

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HarmVery low evidencePaper 6688

Across three successive generations continuously exposed to 60 Hz electric fields, mice exposed to vertical fields had decreased body weights at 35 days postpartum and increased mortality rates for all three generations. Mice exposed to horizontal fields had …

Study snapshot

PublicationExperientia · 1976
Study typeanimal
Reported directionHarm
Evidence ratingVery low

Abstract

Mice were allowed to mate, gestate, deliver and rear their offspring for 3 successive generations while being continuously exposed to 60 Hz electric fields. Mice exposed to vertical electric fields exhibited decreased body weights at 35 days postpartum and increased mortality rates for 3 successive generations. Mice exposed to horizontal electric fields exhibited decreased body weights for 2 successive generations.

Machine Enhanced Logic

AI evidence extraction

Structured fields below were generated from the paper’s abstract and metadata to make the evidence easier to inspect. Automated extraction may be incomplete or incorrect; verify important details against the original paper.

Study typeanimal
Effect directionharm
Populationmice (3 successive generations)
Sample sizeNot supplied
ExposureELF · 6e-05 MHz · continuous exposure across mating, gestation, delivery, and rearing for 3 successive generations
Evidence strengthVery lowConfidence: 74% · Peer reviewed: yes

Main findings

Across three successive generations continuously exposed to 60 Hz electric fields, mice exposed to vertical fields had decreased body weights at 35 days postpartum and increased mortality rates for all three generations. Mice exposed to horizontal fields had decreased body weights for two successive generations.

Outcomes measured

  • body weight at 35 days postpartum
  • mortality rate

Limitations

  • Pilot study
  • Sample size not reported in abstract
  • Electric field strength/intensity not reported in abstract
  • Randomization/blinding and control conditions not described in abstract
View raw extracted JSON
{
  "study_type": "animal",
  "exposure": {
    "band": "ELF",
    "source": null,
    "frequency_mhz": 6e-05,
    "sar_wkg": null,
    "duration": "continuous exposure across mating, gestation, delivery, and rearing for 3 successive generations"
  },
  "population": "mice (3 successive generations)",
  "sample_size": null,
  "outcomes": [
    "body weight at 35 days postpartum",
    "mortality rate"
  ],
  "main_findings": "Across three successive generations continuously exposed to 60 Hz electric fields, mice exposed to vertical fields had decreased body weights at 35 days postpartum and increased mortality rates for all three generations. Mice exposed to horizontal fields had decreased body weights for two successive generations.",
  "effect_direction": "harm",
  "limitations": [
    "Pilot study",
    "Sample size not reported in abstract",
    "Electric field strength/intensity not reported in abstract",
    "Randomization/blinding and control conditions not described in abstract"
  ],
  "evidence_strength": "very_low",
  "confidence": 0.74,
  "peer_reviewed_likely": "yes",
  "keywords": [
    "mice",
    "three generations",
    "continuous exposure",
    "60 Hz",
    "electric fields",
    "ELF",
    "body weight",
    "mortality",
    "vertical electric field",
    "horizontal electric field"
  ],
  "suggested_hubs": [
    {
      "slug": "elf-fields",
      "weight": 0.9,
      "reason": "Study involves continuous exposure to 60 Hz (ELF) electric fields in mice."
    }
  ]
}
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AI-extracted fields are generated from the abstract and metadata and may be incomplete or incorrect. This material is for informational purposes and is not medical advice.

Identifiers and source

DOI: 10.1007/bf01990163
PubMed: 1278293

Read the original paper →

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