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Continuous 900-megahertz electromagnetic field applied in middle and late-adolescence causes qualitative and quantitative changes in the ovarian morphology, tissue and blood biochemistry of the rat

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Authors not listed · 2018

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Rats exposed to a 900-MHz electromagnetic field for one hour daily during middle and late adolescence showed ovarian tissue damage and altered oxidative stress markers.

Plain English Summary

Summary written for general audiences

Twenty-four 34-day-old female Sprague-Dawley rats were divided into control, sham, and EMF exposure groups. The EMF group received 900-MHz electromagnetic field exposure for 1 hour daily from postnatal days 35 to 59. Ovarian tissue in the EMF group showed thinning of granulosa and theca layers, shrunken granulosa cells, reduced mitotic activity, and leukocyte infiltration. Secondary follicle counts were significantly lower in the EMF group than in the control or sham groups. Biochemical analysis found increased oxidative stress markers and antioxidant enzymes in both EMF and sham groups compared to controls, with the EMF group showing the highest total oxidant status and oxidative stress index.

Exposure Information

A logarithmic frequency spectrum from 10 Hz to 100 GHz showing where this study's 900 MHz exposure sits relative to common EMF sources.Where This Frequency Sits on the EMF SpectrumELFVLFLF / MFHF / VHFUHFSHFmm10 Hz100 GHzThis study: 900 MHzPower lines50/60 Hz5G mm28 GHzLogarithmic scale

Specific exposure levels were not quantified in this study.

Cite This Study
Unknown (2018). Continuous 900-megahertz electromagnetic field applied in middle and late-adolescence causes qualitative and quantitative changes in the ovarian morphology, tissue and blood biochemistry of the rat.
Show BibTeX
@article{continuous_900_megahertz_electromagnetic_field_applied_in_middle_and_late_adolescence_causes_qualitative_and_quantitative_changes_in_the_ovarian_morphology_tissue_and_blood_biochemistry_of_the_rat_ce597,
  author = {Unknown},
  title = {Continuous 900-megahertz electromagnetic field applied in middle and late-adolescence causes qualitative and quantitative changes in the ovarian morphology, tissue and blood biochemistry of the rat},
  year = {2018},
  doi = {10.1080/09553002.2018.1420924},
  
}
DOI: 10.1080/09553002.2018.1420924PubMed: 29268055

Quick Questions About This Study

The EMF group was exposed to a 900-MHz electromagnetic field for 1 hour per day from postnatal days 35 to 59.
The EMF group showed thinning of the zona granulosa and theca layers, shrunken granulosa cells, reduced mitotic activity, and leukocyte infiltration in follicles and stroma.
Secondary follicle numbers were significantly lower in the EMF group compared to the control and sham groups.
Both EMF and sham groups had significantly increased superoxide dismutase, catalase, anti-Mullerian hormone, serum catalase, and 8-hydroxy-deoxiguanosine levels compared to controls, while the EMF group also showed higher total oxidant status and oxidative stress index than both other groups.
The researchers concluded that 900-MHz EMF applied during middle and late adolescence may cause changes in the morphology and biochemistry of the rat ovary.