Fejes I, Zavaczki Z, Szollosi J, Koloszar S, et al. (2005):

This study examined the cell phone use of men attending an infertility clinic, and correlated the use with semen characteristics.

A total of 371 men were included, 240 having been excluded for conditions that could affect fertility e.g. excessive smoking or alcohol use, any severe acute or chronic systemic illness, physical abnormalities of the reproductive organs, altered levels of the spermatogenesis-related hormones, or a genital tract infection. Details of cell phone use were included in the history taken from each man. Two separate groups were established. In the first group, men were divided into those who used their phone for less than 15 minutes per day, and those who used it for more than 60 minutes (high transmitters). In the other group, they were divided into those who kept their cell phone in the standby position within a distance of 50 cm for less than 1 hour daily, and those who kept it in standby for more than 20 hours daily. Semen analysis was carried out in each man.

The duration of possession and the daily transmission time correlated negatively with the proportion of rapid progressive motile sperm (r = -0.12 and r = -0.28 respectively), and positively with the proportion of slow progressive motile sperm (r = 0.12 and r = 0.28 respectively). The low and high transmitter groups also differed in the proportion of rapid progressive motile sperm (48.7% vs. 40.6%).

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