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A systematic review of the scientific literature on mobile phone use during pregnancy and fetal outcomes examines the potential health effects of exposure. While some studies included in the review found no significant association between short- or long-term mobile phone use and major pregnancy outcomes, most associated prolonged or intensive use with a range of adverse outcomes, particularly cardiovascular abnormalities and shorter gestational duration.

The evidence also suggests possible biological mechanisms through which mobile phone use could contribute to adverse pregnancy outcomes. The findings are published in Journal of Exposure Science & Environmental Epidemiology.

The research was led by collaborators from Columbia University Mailman School of Public Health, Columbia Vagelos College of Physicians and Surgeons, Cornell University and Johns Hopkins University.

The researchers searched PubMed and Web of Science for relevant studies published through February 2026.

"The rapid evolution of mobile phone technology and the increased frequency and duration of mobile phone use have raised concerns about potential adverse effects of cellphone exposure during pregnancy, underscoring the need to better understand potential risks to the developing fetus," said author Norman Kleiman, Ph.D., associate professor of environmental health sciences at Columbia Mailman School and an expert in radiological health outcomes. He added, "Existing studies examining mobile phone use and adverse pregnancy outcomes are limited and often contradictory."

Over the past several decades, mobile technology use has increased dramatically worldwide.

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