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Effect of extremely low-frequency electromagnetic radiation on pregnancy outcome: A meta-analysis

Fangfang Zhou(1), Chunlan Ma(2), Yu Jun Li(3), Miao Zhang(4), Wenna Liu(5),


(1) Department of Human Anatomy, College of Basic Medicine and Forensic, North Sichuan Medical University, Nanchong, Sichuan, 637000, P. R. China
(2) Department of Respiratory Medicine, the First Affiliated Hospital of Chengdu Medical College, Chengdu, Sichuan, 610500, P. R. China
(3) Department of Foreign Languages, North Sichuan Medical University, Nanchong, Sichuan, 637000 P. R. China
(4) Department of Obstetrics and Gynecology, the Affiliated Hospital of North Sichuan Medical University, No. 01, Maoyuan Road, Shunqing District, Nanchong City, Sichuan Province 637000, China
(5) Department of Human Anatomy, College of Basic Medicine and Forensic, North Sichuan Medical University, Nanchong, Sichuan, 637000, P. R. China
Corresponding Author

Abstract


Extremely low-frequency electromagnetic radiation (ELF-EMF) are generated by electrical devices and power systems (1 to 300 Hz). Although several studies have demonstrated that ELF-EMF may beassociated with an increased risk of adverse pregnancy outcomes, other studies have shown no evidence of associations. This meta-analysis was conducted to assess the effect of extremely low frequency electromagnetic radiation on pregnancy outcomes. The following electronic bibliographic databases were searched to identify relevant studies: PubMed, Web Of Science, Cochrane library, Embase, EBSCO. In addition, the manual retrieval of relevant references was conducted as a supplement. Select all eligible studies published from Database construction library to March 10, 2021. Search type for queue research on influence of electromagnetic field radiation on pregnancy results. Data were screened and extracted independently by two researchers. Review Manager 5.3 software was used for the meta-analysis. There was no significant increase in the risk of miscarriage, stillbirth, birth defects and preterm delivery in the pregnant women who lived near the electromagnetic fields compared with the control group. Conclusions: No correlation has been found between maternal ELF-EMF exposure and miscarriage, stillbirth, neonatal birth defects and preterm delivery, while the effects on small gestational age and low birth weight are still uncertain. Related research with high-quality large samples and different regions are still needed for further verification. (Afr J Reprod Health 2023; 27 [5]: 95-104).

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