Progesterone concentrations during estrous cycle of dairy cows exposed to electric and magnetic fields

Burchard, J.F.; Nguyen, Duc Hai; Block, E.

doi:10.1002/(sici)1521-186x(1998)19:7<438::aid-bem6>3.0.co;2-2

Cited by 21 publications

(3 citation statements)

References 16 publications

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“…8 Regarding the endocrine system, the sensitivity of pineal gland, pituitary gland, adrenal gland and thyroid gland as well as of the endocrine pancreas, testicles and ovaries to EMFs have been investigated. [9][10][11][12][13][14][15][16][17][18][19][20][21] The thyroid gland is one of the most exposed and vital organs and may be a target for any type of electromagnetic radiation. 22 It has been established that even a small change in thyroid hormone levels circulating in the blood are sufficient to alter the brain function of subjects.…”

Section: Introductionmentioning

confidence: 75%

Alterations in TSH and Thyroid Hormones following Mobile Phone Use

Mortavazi¹,

Habib²,

Ganj-Karami³

et al. 2009

OMJ

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As far as the study is concerned, this is the first human study to assess the associations between mobile phone use and alterations in the levels of TSH and thyroid hormones. Based on the findings, a higher than normal TSH level, low mean T4 and normal T3 concentrations in mobile users were observed. It seems that minor degrees of thyroid dysfunction with a compensatory rise in TSH may occur following excessive use of mobile phones. It may be concluded that possible deleterious effects of mobile microwaves on hypothalamic-pituitary-thyroid axis affects the levels of these hormones.

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Section: Introductionmentioning

confidence: 75%

Alterations in TSH and Thyroid Hormones following Mobile Phone Use

Mortavazi¹,

Habib²,

Ganj-Karami³

et al. 2009

OMJ

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“…Eventually, this can alter the production of gonadal sex steroids, resulting in changes in the reproductive cycle [39,40]. In cows, exposure to 60 Hz SLF-EMF at 30 µT for 24-27 days did not alter the progesterone levels but shortened the estrous stage [41]. RF-EMF exposure can affect ACTH, GH, TSH, FSH, and LH in the pituitary [42].…”

Section: Changes In the Reproductive Endocrine System By Emf Exposurementioning

confidence: 99%

Effect of electromagnetic field exposure on the reproductive system

Gye

Park

2012

Clin Exp Reprod Med

104

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The safety of human exposure to an ever-increasing number and diversity of electromagnetic field (EMF) sources both at work and at home has become a public health issue. To date, many in vivo and in vitro studies have revealed that EMF exposure can alter cellular homeostasis, endocrine function, reproductive function, and fetal development in animal systems. Reproductive parameters reported to be altered by EMF exposure include male germ cell death, the estrous cycle, reproductive endocrine hormones, reproductive organ weights, sperm motility, early embryonic development, and pregnancy success. At the cellular level, an increase in free radicals and [Ca2+]i may mediate the effect of EMFs and lead to cell growth inhibition, protein misfolding, and DNA breaks. The effect of EMF exposure on reproductive function differs according to frequency and wave, strength (energy), and duration of exposure. In the present review, the effects of EMFs on reproductive function are summarized according to the types of EMF, wave type, strength, and duration of exposure at cellular and organism levels.

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“…Overall, experimental data have shown that EMFs can affect a wide range of biological processes (reviewed in Fernie and Reynolds, 2005), including reproduction (e.g. Burchard et al, 1998;Al-Akhras et al, 2001;Rodriguez et al, 2003), growth (e.g. Tsoneva et al, 1975;Rodriguez et al, 2002) and development (e.g.…”

Section: Introductionmentioning

confidence: 99%