Source: Kaiser Permanente

Summary:

A study of real-world exposure to non-ionizing radiation from magnetic fields in pregnant women found a significantly higher rate of miscarriage, providing new evidence regarding their potential health risks.
https://www.sciencedaily.com/releases/2017/12/171213095534.htm
* * * *
free open access full text
De-Kun Li, Hong Chen, Jeannette R. Ferber, Roxana Odouli, Charles Quesenberry.
Exposure to Magnetic Field Non-Ionizing Radiation and the Risk of Miscarriage: A Prospective Cohort Study.
Scientific Reports, 2017; 7 (1)
https://www.nature.com/articles/s41598-017-16623-8