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Speech Problems: The Effect of Maternal Exposure to Electromagnetic Fields    
Ga naar overzicht berichten in: Onderzoeken

Speech Problems: The Effect of Maternal Exposure to Electromagnetic Fields
maandag, 28 september 2015 - Dossier: Algemeen


Bron: www.ncbi.nlm.nih.gov/pmc/articles/PMC4576876/
1 sept. 2015


J Biomed Phys Eng. 2015 Sep; 5(3): 151–154.
Published online 2015 Sep 1.

A Challenging Issue in the Etiology of Speech Problems: The Effect of Maternal Exposure to Electromagnetic Fields on Speech Problems in the Offspring

S. Zarei,1 S. M. J. Mortazavi,2 A. R. Mehdizadeh,3 M. Jalalipour,1 S. Borzou,1 S. Taeb,4 M. Haghani,5 S. A. R. Mortazavi,6 M. B. Shojaei-fard,5 S. Nematollahi,7 N. Alighanbari,8 and S. Jarideh5*

1Speech and Language Pathology Department, School of Rehabilitation, Shiraz University of Medical Sciences, Shiraz, Iran
2President of the Ionizing and Non-ionizing Radiation Protection Research Center (INIRPRC); Professor of Medical Physics in the School of Medicine of Shiraz University of Medical Sciences, Shiraz, Iran
3Department of Medical Physics and Engineering, School of Medicine, Shiraz University of Medical Science, Shiraz, Iran
4Ph.D candidate at the Ionizing and Non-ionizing Radiation Protection Research Center (INIRPRC), Shiraz University of Medical Sciences, Shiraz, Iran
5Ionizing and Non-ionizing Radiation Protection Research Center (INIRPRC), Shiraz University of Medical Sciences, Shiraz, Iran
6Medical Student at Student Research Committee, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
7Master Student at the Biostatistics Department, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
8Occupational Health Department, School of Health, Shiraz University of Medical Sciences, Shiraz, Iran
*Corresponding author: S Jarideh Ionizing and Non-ionizing Radiation Protection Research Center (INIRPRC), Shiraz University of Medical Sciences, Shiraz, Iran E-mail: sjarideh726@gmail.com

Abstract
Background


Nowadays, mothers are continuously exposed to different sources of electromagnetic fields before and even during pregnancy. It has recently been shown that exposure to mobile phone radiation during pregnancy may lead to adverse effects on the brain development in offspring and cause hyperactivity. Researchers have shown that behavioral problems in laboratory animals which have a similar appearance to ADHD are caused by intrauterine exposure to mobile phones.

Objective

The purpose of this study was to investigate whether the maternal exposure to different sources of electromagnetic fields affect on the rate and severity of speech problems in their offspring.

Methods

In this study, mothers of 35 healthy 3-5 year old children (control group) and 77 children and diagnosed with speech problems who had been referred to a speech treatment center in Shiraz, Iran were interviewed. These mothers were asked whether they had exposure to different sources of electromagnetic fields such as mobile phones, mobile base stations, Wi-Fi, cordless phones, laptops and power lines.

Results

We found a significant association between either the call time (P=0.002) or history of mobile phone use (months used) and speech problems in the offspring (P=0.003). However, other exposures had no effect on the occurrence of speech problems. To the best of our knowledge, this is the first study to investigate a possible association between maternal exposure to electromagnetic field and speech problems in the offspring. Although a major limitation in our study is the relatively small sample size, this study indicates that the maternal exposure to common sources of electromagnetic fields such as mobile phones can affect the occurrence of speech problems in the offspring.

Keywords: Speech Problem, Maternal Exposure, Pregnancy, Electromagnetic Fields, Mobile Phones

Voor het volledige artikel zie bovenstaande link.


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