EMF-Portal | Teratologic studies of prenatal exposure of rats to 915 MHz microwave radiation

Teratologic studies of prenatal exposure of rats to 915 MHz microwave radiation med./bio.

By: Jensh RP, Weinberg I, Brent RL

Published in: Radiat Res 1982; 92 (1): 160-171

Aim of study (acc. to author)

To determine if protracted exposure to 915 MHz microwave irradiation at a power density of 10 mW/cm² during rat gestation would cause changes in the growth and development of the rat fetus.

Endpoint

Exposure

Exposure	Parameters
Exposure 1: 915 MHz Modulation type: CW Exposure duration: 6 h/day from day 1 to day 21 of gestation	power density: 10 mW/cm² SAR: 3.57 W/kg average over mass (whole body)

Exposure 1

Main characteristics

Frequency	915 MHz
Type	electromagnetic field
Exposure duration	6 h/day from day 1 to day 21 of gestation

Modulation

Modulation type	CW

Exposure setup

Exposure source	anechoic chamber waveguide magnatron ZM6287
Chamber	800 cubic feet anechoic chamber with antenna in the ceiling, antenna rotating with 30 rpm, special plastic isolation cages
Sham exposure	A sham exposure was conducted.

Parameters

Measurand	Value	Type	Method	Mass	Remarks
power density	10 mW/cm²	-	measured	-	-
SAR	3.57 W/kg	average over mass	calculated	whole body	-

Exposed system:

animal
rat/Wistar albino
whole body

Methods Endpoint/measurement parameters/methodology

Investigated system:

dead fetuses and their placentas
investigation on living organism

Time of investigation:

before exposure
during exposure
after exposure

Main outcome of study (acc. to author)

Study character:

medical/biological study
experimental study
full/main study

Study funded by

National Institutes of Health (NIH), Maryland, USA

Poulletier de Gannes F et al. (2012): Effect of in utero wi-fi exposure on the pre- and postnatal development of rats

Laudisi F et al. (2012): Prenatal exposure to radiofrequencies: Effects of WiFi signals on thymocyte development and peripheral T cell compartment in an animal model

Sambucci M et al. (2010): Prenatal Exposure to Non-ionizing Radiation: Effects of WiFi Signals on Pregnancy Outcome, Peripheral B-Cell Compartment and Antibody Production

Saito K et al. (1991): Lethal and teratogenic effects of long-term low-intensity radio frequency radiation at 428 MHz on developing chick embryo

Jensh RP (1984): Studies of the teratogenic potential of exposure of rats to 6000 MHz microwave radiation. I. Morphologic analysis at term

Jensh RP et al. (1983): An evaluation of the teratogenic potential of protracted exposure of pregnant rats to 2450-MHz microwave radiation: I. Morphologic analysis at term

Jensh RP et al. (1982): Postnatal functional analysis of prenatal exposure of rats to 915 MHz microwave radiation

Nawrot PS et al. (1981): Effects of 2.45 GHz CW microwave radiation on embryofetal development in mice