Study of the effects of 50 Hz magnetic field on embryonic development: dependence on field level and field vector.

{
  "study_type": "animal",
  "exposure": {
    "band": "ELF",
    "source": "occupational, therapeutic devices",
    "frequency_mhz": 0.05,
    "sar_wkg": null,
    "duration": "repeated exposures"
  },
  "population": "Avian and mammalian embryos",
  "sample_size": null,
  "outcomes": [
    "Embryonic development/embryogenesis (avian)",
    "Embryonic development/embryogenesis (mammalian)"
  ],
  "main_findings": "Repeated exposures to 50 Hz magnetic fields at 10 mT (professional/therapeutic device-related) or 6 µT (environmental level) showed no significant alterations in avian or mammalian embryogenesis. No significant differences were found with different field vectors.",
  "effect_direction": "no_effect",
  "limitations": [
    "Sample size not reported in abstract",
    "Exposure duration and timing during development not specified in abstract",
    "Species/strain details not specified in abstract",
    "Outcome measures and assessment methods not described in abstract"
  ],
  "evidence_strength": "low",
  "confidence": 0.74,
  "peer_reviewed_likely": "yes",
  "keywords": [
    "50 Hz",
    "ELF magnetic field",
    "power frequency",
    "embryogenesis",
    "embryonic development",
    "avian",
    "mammalian",
    "field vector",
    "10 mT",
    "6 µT"
  ],
  "suggested_hubs": [
    {
      "slug": "occupational-exposure",
      "weight": 0.6,
      "reason": "Mentions professional exposures at 10 mT."
    }
  ]
}