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EMF Study
(Database last updated on Oct 14, 2021)

ID Number 2543
Study Type Human / Provocation
Model Histology, embryonic bud and sac lengths, and apoptosis status were examined in a cross-sectional study of 149 pregnant women who wore an EMDEX Lite magnetic field meter for a 24-h period within 4 weeks following abortion.
Details

AUTHORS' ABSTRACT: Su et al. 2014 (IEEE #6240):Objective: To explore the correlation between maternal magnetic field (MF) exposure in daily life and embryonic development. Methods: A cross-sectional study was conducted among 149 pregnant women who were seeking induced abortion of unwanted pregnancies. Participating women were asked to wear an EMDEX Lite magnetic field meter for a 24-h period to obtain MF exposure level within 4 weeks following the abortion. Embryonic bud and sac lengths were measured through Bmode ultrasound before the surgical abortion. Embryo sections were prepared and examined for histological changes, and the apoptosis status of the deciduas was examined using the TUNEL apoptosis assay. Results: Embryonic bud length was inversely associated with maternal daily MF exposure level; the association was statistically significant at the time-weighted-average and 75th percentile of MF exposure levels, with coefficients of 23.09 (P = 0.0479) and 23.07(P = 0.0228), respectively. Logistic regression for examining the risk of higher MF exposure indicated that women with her 75th percentile of daily MF measurements $0.82 mG had a 3.95-fold risk of having a fetus with a shorter embryonic bud length than those whose daily MF exposure were ,0.82 mG. MF exposure was associated with a higher degree of apoptosis, but the association was not statistically significant. We failed to find a statistical correlation between MF exposure and embryonic sac length and histological changes in the first trimester. Conclusion: Prenatal MF exposure may have an adverse effect on embryonic development

Findings Effects
Status Completed With Publication
Principal Investigator
Funding Agency ?????
Country CHINA
References
  • Su, XJ et al. PLoS ONE., (2014) 9:e101050.-doi:10.1371/journal.pone.0101050
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