Male reproductive health under threat: Short term exposure to radiofrequency radiations emitted by common mobile jammers.

Abstract

BACKGROUND: Modern life prompted man to increasingly generate, transmit and use electricity that leads to exposure to different levels of electromagnetic fields (EMFs). Substantial evidence indicates that exposure to common sources of EMF such as mobile phones, laptops or wireless internet-connected laptops decreases human semen quality. In some countries, mobile jammers are occasionally used in offices, shrines, conference rooms and cinemas to block the signal. AIMS: To the best of our knowledge, this is the first study to investigate the effect of short term exposure of human sperm samples to radiofrequency (RF) radiations emitted by common mobile jammers. SUBJECTS AND METHODS: Fresh semen samples were collected by masturbation from 30 healthy donors who had referred to Infertility Treatment Center at the Mother and Child Hospital with their wives. Female problem was diagnosed as the reason for infertility in these couples. STATISTICAL ANALYSIS: T-test and analysis of variance were used to show statistical significance. RESULTS: The motility of sperm samples exposed to jammer RF radiation for 2 or 4 h were significantly lower than those of sham-exposed samples. These findings lead us to the conclusion that mobile jammers may significantly decrease sperm motility and the couples' chances of conception. CONCLUSION: Based on these results, it can be suggested that in countries that have not banned mobile jammer use, legislations should be urgently passed to restrict the use of these signal blocking devices in public or private places.

AI evidence extraction

Main findings

Sperm motility in samples exposed to radiofrequency radiation from a mobile jammer for 2 or 4 hours was significantly lower than in sham-exposed samples.

Outcomes measured

• Sperm motility

Limitations

• Exposure characteristics (e.g., frequency, power/SAR) not reported in the abstract
• Short-term exposure only (2–4 hours)
• In vitro study using sperm samples; findings may not directly translate to in vivo male fertility outcomes

Suggested hubs

• smart-meters (0)

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    "study_type": "in_vitro",
    "exposure": {
        "band": "RF",
        "source": "mobile jammer",
        "frequency_mhz": null,
        "sar_wkg": null,
        "duration": "2 or 4 h"
    },
    "population": "Human sperm samples from 30 healthy semen donors",
    "sample_size": 30,
    "outcomes": [
        "Sperm motility"
    ],
    "main_findings": "Sperm motility in samples exposed to radiofrequency radiation from a mobile jammer for 2 or 4 hours was significantly lower than in sham-exposed samples.",
    "effect_direction": "harm",
    "limitations": [
        "Exposure characteristics (e.g., frequency, power/SAR) not reported in the abstract",
        "Short-term exposure only (2–4 hours)",
        "In vitro study using sperm samples; findings may not directly translate to in vivo male fertility outcomes"
    ],
    "evidence_strength": "low",
    "confidence": 0.7800000000000000266453525910037569701671600341796875,
    "peer_reviewed_likely": "yes",
    "keywords": [
        "radiofrequency",
        "RF radiation",
        "mobile jammer",
        "signal blocking devices",
        "semen",
        "sperm motility",
        "male reproductive health",
        "in vitro",
        "sham-exposed"
    ],
    "suggested_hubs": [
        {
            "slug": "smart-meters",
            "weight": 0,
            "reason": null
        }
    ]
}

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