Study type: Medical/biological study (experimental study)

Effects of 1950 MHz W-CDMA-like signal on human spermatozoa. med./bio.

Published in: Bioelectromagnetics 2016; 37 (6): 373-381

Aim of study (acc. to author)

The effects of exposure of human sperms to a 1950 MHz electromagnetic field (W-CDMA) on sperm motility and oxidative stress should be investigated.

Background/further details

Good-quality sperms from semen samples from 50 healthy subjects were isolated and 2 specimens were created from each sample for exposure and sham exposure, respectively (remark EMF-Portal: the real number of specimens in each group is unclear as there were 2 exposure groups (SAR of 2 W/kg and 6 W/kg) and two respective sham exposure groups).
Positive control for oxidative stress was performed.

Endpoint

Exposure

Exposure Parameters
Exposure 1: 1,950 MHz
Exposure duration: continuous for 1 hour
Exposure 2: 1,950 MHz
Exposure duration: continuous for 1 hour

Exposure 1

Main characteristics
Frequency 1,950 MHz
Type
Exposure duration continuous for 1 hour
Additional info W-CDMA-like signal
Exposure setup
Exposure source
Chamber petri dishes in exposure system inside incubator
Setup exposure system consisted of two waveguides (one for exposure, the other one for sham exposure); it was placed in the incubator under controlled conditions at 37°C with high humidity; each waveguide contained one or two specimens at a time; temperature difference between the two waveguides during exposure was kept to less than 0.1°C
Sham exposure A sham exposure was conducted.
Additional info waveguides that were used for the real or sham exposure were randomized by a computer
Parameters
Measurand Value Type Method Mass Remarks
SAR 2 W/kg mean - - -

Exposure 2

Main characteristics
Frequency 1,950 MHz
Type
Exposure duration continuous for 1 hour
Additional info W-CDMA-like signal
Exposure setup
Exposure source
Sham exposure A sham exposure was conducted.
Parameters
Measurand Value Type Method Mass Remarks
SAR 6 W/kg mean - - -

Reference articles

  • Gong Y et al. (2014): Dosimetric assessment of two-layer cell culture configurations for fertility research at 1950 MHz.

Exposed system:

Methods Endpoint/measurement parameters/methodology

Investigated material:
Time of investigation:
  • after exposure

Main outcome of study (acc. to author)

No significant differences were found between the exposure groups and respective sham exposure groups in any parameter.
The authors conclude that there is no evidence for any effect of exposure of human sperms to a 1950 MHz electromagnetic field (W-CDMA) on sperm motility and oxidative stress.

Study character:

Study funded by

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