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Environment International

Effect of mobile telephones on sperm quality: A systematic review and meta-analysis

Miércoles 11 de junio de 2014 · 639 lecturas

Effect of mobile telephones on sperm quality: A systematic review
and meta-analysis☆
Jessica A. Adams a, Tamara S. Galloway a, Debapriya Mondal a, Sandro C. Esteves b, Fiona Mathews a,⁎
a Biosciences, College of Life and Environmental Sciences, Hatherly Laboratories, Prince of Wales Road, University of Exeter, EX4 4PS, UK
b Androfert, Andrology and Human Reproduction Clinic, Campinas, Brazil
a r t i c l e i n f o a b s t r a c t
Article history:
Received 14 January 2014
Accepted 22 April 2014
Available online xxxx
Keywords:
Fertility
Mobile or cell phone
Radiofrequency electromagnetic radiation
Sperm concentration
Sperm viability
Sperm motility
Mobile phones are owned by most of the adult population worldwide. Radio-frequency electromagnetic radiation (RF-EMR) from these devices could potentially affect sperm development and function. Around 14% of couples in high- and middle-income countries have difficulty conceiving, and there are unexplained declines in semen quality reported in several countries. Given the ubiquity of mobile phone use, the potential role of this environmental exposure needs to be clarified. A systematic review was therefore conducted, followed by meta-analysis using random effects models, to determine whether exposure to RF-EMR emitted from mobile phones affects human spermquality. Participantswere fromfertility clinic and research centres. The spermquality outcome measures were motility, viability and concentration, which are the parameters most frequently used in clinical settings to assess fertility.
We used ten studies in the meta-analysis, including 1492 samples. Exposure to mobile phones was associated with reduced sperm motility (mean difference −8.1% (95% CI −13.1, −3.2)) and viability (mean difference −9.1% (95% CI −18.4, 0.2)), but the effects on concentration were more equivocal. The results were consistent
across experimental in vitro and observational in vivo studies. We conclude that pooled results from in vitro and in vivo studies suggest thatmobile phone exposure negatively affects spermquality. Further study is required to determine the full clinical implications for both sub-fertile men and the general population.
2014 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY license

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