STUDY OF TERATOGENIC EFFECTS OF SHORT-WAVE DIATHERMY ON MORPHOLOGY AND DEVELOPMENT OF RAT EMBRYO

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SADRAEI S.H.; PARIVAR KAZEM; BAHADORAN H.

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Journal: KOWSAR MEDICAL JOURNAL Year:2000 | Volume:5 | Issue:Part 3 Page(s): 167-173

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Information Journal Paper

Title

STUDY OF TERATOGENIC EFFECTS OF SHORT-WAVE DIATHERMY ON MORPHOLOGY AND DEVELOPMENT OF RAT EMBRYO

Author(s)

SADRAEI S.H. | PARIVAR KAZEM | BAHADORAN H. | Issue Writer Certificate

Keywords

DIATHERMYQ4

EMBRYONIC RESORPTIONQ4

EMBRYONIC MALFORMATIONSQ4

ELECTROMAGNETIC FIELDSQ4

TERATOGENSQ4

Abstract

In recent years, there has been increased concern regarding the effects of the ELECTROMAGNETIC FIELDS associated with shortwave DIATHERMY an operators. High intensity 27.12 MHz radiofrequency radiation was determined to be teratogenic in rats during most of the gestation period. The present study was designed to investigate Teratogenic effects of continuous shortwave therapy on pregnant rat embryos during different periods of gestation. Three experimental (EXP) groups were formed: Group EXP1 was exposed continuously for the pregnancy period from day 0 through day 6 and group EXP2 from day 7 through day 13 and group EXP3 from day 14 through day 20 of gestation. Three experimental groups were exposed to 10 W/cm2 at 27.12 MHz radiation for 15 minutes twice daily for 6 days. Total exposure time for each experimental rat was 210 minutes. Three groups of sham-exposed and control group were designed. Biological assay consisted of determining pre- and post-implantation losses of the embryos and the effects on colonic temperature increase. Fetal parameter monitored included mean viable fetal weight, mean of crown rump length and external fetal malformation. Finding included a considerable increase in the incidence of total resorptions especially in group EXP1 (P<0.01). Shortwave exposure; however, caused a significant incidence of fetal malformations throughout the gestation period especially a significant increase in the incidence of malformed fetuses in group EXP2. The results appeared to be caused by shortwave-induced hyperthermia and specific exposure time effects in the exposure groups.

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APA: Copy

SADRAEI, S.H., PARIVAR, KAZEM, & BAHADORAN, H.. (2000). STUDY OF TERATOGENIC EFFECTS OF SHORT-WAVE DIATHERMY ON MORPHOLOGY AND DEVELOPMENT OF RAT EMBRYO. KOWSAR MEDICAL JOURNAL, 5(Part 3), 167-173. SID. https://sid.ir/paper/32794/en

Vancouver: Copy

SADRAEI S.H., PARIVAR KAZEM, BAHADORAN H.. STUDY OF TERATOGENIC EFFECTS OF SHORT-WAVE DIATHERMY ON MORPHOLOGY AND DEVELOPMENT OF RAT EMBRYO. KOWSAR MEDICAL JOURNAL[Internet]. 2000;5(Part 3):167-173. Available from: https://sid.ir/paper/32794/en

IEEE: Copy

S.H. SADRAEI, KAZEM PARIVAR, and H. BAHADORAN, “STUDY OF TERATOGENIC EFFECTS OF SHORT-WAVE DIATHERMY ON MORPHOLOGY AND DEVELOPMENT OF RAT EMBRYO,” KOWSAR MEDICAL JOURNAL, vol. 5, no. Part 3, pp. 167–173, 2000, [Online]. Available: https://sid.ir/paper/32794/en

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