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Portada del sitio > Estudios Científicos > Use of laptop computers connected to internet through Wi-Fi decreases human (...)

Fertility and Sterility® Vol. -, No. -, - 2012 0015-0282. American Society for Reproductive Medicine, Published by Elsevier Inc. doi:10.1016/j.fertnstert.2011.10.012

Use of laptop computers connected to internet through Wi-Fi decreases human sperm motility and increases sperm DNA fragmentation

Martes 29 de noviembre de 2011 · 981 lecturas

Use of laptop computers connected to internet through Wi-Fi decreases
human sperm motility and increases sperm DNA fragmentation

Objective: To evaluate the effects of laptop computers connected to local area networks wirelessly (Wi-Fi) on human spermatozoa.
Design: Prospective in vitro study.
Setting: Center for reproductive medicine.
Patient(s): Semen samples from 29 healthy donors.
Intervention(s): Motile sperm were selected by swim up. Each sperm suspension was divided into two aliquots. One sperm aliquot (experimental) from
each patient was exposed to an internet-connected laptop by Wi-Fi for 4 hours, whereas the second aliquot (unexposed) was used as control, incubated
under identical conditions without being exposed to the laptop.
Main Outcome Measure(s): Evaluation of sperm motility, viability, and DNA fragmentation.
Result(s): Donor sperm samples, mostly normozoospermic, exposed ex vivo during 4 hours to a wireless internet-connected laptop showed a significant
decrease in progressive sperm motility and an increase in sperm DNA fragmentation. Levels of dead sperm showed no significant differences between the
two groups.
Conclusion(s): To our knowledge, this is the first study to evaluate the direct impact of laptop use on human spermatozoa. Ex vivo exposure of human
spermatozoa to a wireless internet-connected laptop decreased motility and induced DNA fragmentation by a nonthermal effect. We speculate that
keeping a laptop connected wirelessly to the internet on the lap near the testes may result in decreased male fertility. Further in vitro and in vivo
studies are needed to prove this contention. (Fertil Steril- 2012;-:---. -2012 by American Society for Reproductive Medicine.)
Key Words: Laptop computer, Wi-Fi, sperm quality, fertility, sperm DNA fragmentation