3,138 Studies Reviewed. 77.4% Found Biological Effects. The Evidence is Clear.
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Reproductive Health

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Key Finding: 80% of 361 studies on reproductive health found biological effects from EMF exposure.

Of 361 studies examining reproductive health, 80% found measurable biological effects from EMF exposure.

Lowest Documented Effect

Research found effects on reproductive health at exposures as low as:

Study Exposure Level in ContextA logarithmic scale showing exposure levels relative to Building Biology concern thresholds and regulatory limits.Study Exposure Level in Context0.000003Extreme Concern0.1 W/kgFCC Limit1.6 W/kgEffects observed in the No Concern range (Building Biology)FCC limit is 533,333x higher than this exposure level

Research Overview

  • -When 80.9% of studies examining EMF exposure and reproductive health show harmful effects, we're looking at one of the most consistent patterns in the entire EMF research landscape.
  • -This isn't a case of mixed or inconclusive science.
  • -The evidence demonstrates clear and measurable impacts on human fertility, pregnancy outcomes, and reproductive development across hundreds of peer-reviewed studies spanning decades.

When 80.9% of studies examining EMF exposure and reproductive health show harmful effects, we're looking at one of the most consistent patterns in the entire EMF research landscape. This isn't a case of mixed or inconclusive science. The evidence demonstrates clear and measurable impacts on human fertility, pregnancy outcomes, and reproductive development across hundreds of peer-reviewed studies spanning decades. The documented effects paint a comprehensive picture of reproductive harm.

Put simply, the evidence shows that EMF exposure can cause your immune system to turn against your own tissues, creating antibodies that treat healthy cells as foreign invaders.

The evidence demonstrates that electromagnetic field (EMF) exposure produces significant effects on immune system function and reproductive health, with particularly concerning findings for autoimmune responses.

Source: BioInitiative Working Group. BioInitiative Report: A Rationale for Biologically-based Public Exposure Standards for Electromagnetic Radiation. Edited by Cindy Sage and David O. Carpenter, BioInitiative, 2012, updated 2020. www.bioinitiative.org

Showing 361 studies

Melatonin attenuates radiofrequency radiation (900 MHz)-induced oxidative stress, DNA damage and cell cycle arrest in germ cells of male Swiss albino mice.

Pandey N, Giri S. · 2018

Researchers exposed male mice to 900 MHz radiofrequency radiation (similar to cell phone signals) for 6 hours daily over 35 days and found significant damage to sperm-producing cells, including DNA damage, reduced sperm count, and abnormal sperm shape. However, when mice also received melatonin supplements, these harmful effects were largely prevented or reversed. This suggests that RF radiation can impair male fertility, but antioxidants like melatonin may offer protection.

The Protective Effect of Autophagy on DNA Damage in Mouse Spermatocyte-Derived Cells Exposed to 1800 MHz Radiofrequency Electromagnetic Fields.

Li R et al. · 2018

Researchers exposed mouse sperm cells to cell phone-level radiofrequency radiation (4 W/kg SAR) for 24 hours and found it caused DNA damage. However, the cells activated a protective mechanism called autophagy (cellular self-cleaning) that helped reduce this damage. When researchers blocked this protective response, DNA damage increased significantly.

Probing the Origins of 1,800 MHz Radio Frequency Electromagnetic Radiation Induced Damage in Mouse Immortalized Germ Cells and Spermatozoa in vitro.

Houston BJ, Nixon B, King BV, Aitken RJ, De Iuliis GN. · 2018

Researchers exposed mouse sperm to cell phone radiation (1.8 GHz) for 3-4 hours at low power. The radiation damaged sperm DNA, reduced sperm movement, and created harmful molecules in cell energy centers. This provides biological evidence for how wireless signals might affect male fertility.

Reproductive HealthNo Effects Found

Influence of radiofrequency-electromagnetic waves from 3rd-generation cellular phones on fertilization and embryo development in mice.

Suzuki S et al. · 2017

Japanese researchers exposed mouse eggs and sperm to 3G cell phone radiation at 2 watts per kilogram for one hour, then studied fertilization rates and early embryo development. They found no significant effects on fertilization success, embryo development, or chromosome damage across different exposure combinations. The researchers noted their exposure level was at least 100 times higher than typical daily human exposure to cell phone radiation.

Reproductive HealthNo Effects Found

No adverse effects detected for simultaneous whole-body exposure to multiple-frequency radiofrequency electromagnetic fields for rats in the intrauterine and pre- and post-weaning periods.

Shirai T et al. · 2017

Researchers exposed pregnant rats and their offspring to eight different wireless communication frequencies (from cell phones to WiFi) for 20 hours daily throughout pregnancy and early development. They found no adverse effects on pregnancy outcomes, offspring development, memory function, or reproductive ability across two generations of rats. This study suggests that simultaneous exposure to multiple wireless frequencies at communication signal levels may not harm reproductive health or early development.

Reproductive HealthNo Effects Found

Combined effects of varicocele and cell phones on semen and hormonal parameters.

Schauer I, Mohamad Al-Ali B. · 2017

Researchers studied 468 men at an infertility clinic to see if carrying cell phones in pants pockets combined with varicocele (enlarged veins in the scrotum) would worsen sperm quality more than either condition alone. They found that both cell phone storage in pants pockets and varicocele individually affected sperm parameters, but the two factors didn't amplify each other's effects. This suggests that keeping your phone in your pants pocket affects sperm quality independently of other reproductive health issues.

Brain & Nervous SystemNo Effects Found

Neurodevelopment for the first three years following prenatal mobile phone use, radio frequency radiation and lead exposure.

Choi KH et al. · 2017

Researchers followed 1,198 mother-child pairs to examine whether mobile phone use during pregnancy affects children's brain development in their first three years. While they found no direct link between prenatal phone use and developmental delays, children whose mothers had both high lead exposure and heavy phone use showed increased risk of developmental problems. This suggests that RF radiation might amplify the harmful effects of other toxins during pregnancy.

Lasting hepatotoxic effects of prenatal mobile phone exposure.

Yilmaz A et al. · 2017

Researchers exposed pregnant rats to mobile phone radiation (900 MHz) for 20 days and examined their offspring's livers 60 days after birth. The exposed animals showed significant liver damage including increased oxidative stress, elevated liver enzymes indicating injury, and visible tissue damage under the microscope. This study demonstrates that EMF exposure during pregnancy can cause lasting liver problems in offspring that persist into adulthood.

Mobile phone (1800MHz) radiation impairs female reproduction in mice, Mus musculus, through stress induced inhibition of ovarian and uterine activity.

Shahin S, Singh SP, Chaturvedi CM · 2017

Researchers exposed female mice to 1800MHz mobile phone radiation in different modes (standby, dialing, receiving) and found significant damage to reproductive organs and hormone systems. The radiation caused oxidative stress (cellular damage from harmful molecules) and reduced the number of healthy egg follicles, while disrupting key reproductive hormones like estrogen and progesterone. This suggests that mobile phone radiation at typical cellular frequencies may interfere with female fertility through stress-related mechanisms.

Proteomic analysis of continuous 900-MHz radiofrequency electromagnetic field exposure in testicular tissue: a rat model of human cell phone exposure.

Sepehrimanesh M, Kazemipour N, Saeb M, Nazifi S, Davis DL · 2017

Researchers exposed rats to 900 MHz cell phone radiation for up to 4 hours daily over 30 days and analyzed protein changes in testicular tissue. They found that radiation exposure increased levels of two specific proteins by 70% - proteins that are linked to cellular stress and cancer risk. This matters because many men carry phones in their pants pockets, creating similar exposure patterns to reproductive organs.

Radiofrequency radiation (900 MHz)-induced DNA damage and cell cycle arrest in testicular germ cells in swiss albino mice.

Pandey N, Giri S, Das S, Upadhaya P · 2017

Researchers exposed male mice to 900 MHz radiofrequency radiation (the frequency used by many cell phones) for 4-8 hours daily over 35 days. The radiation caused DNA damage in sperm-producing cells and disrupted the normal development of sperm, leading to significantly lower sperm counts. While these effects were reversible after stopping exposure, the study demonstrates that cell phone radiation can interfere with male fertility at the cellular level.

Effects of prenatal exposure to WIFI signal (2.45GHz) on postnatal development and behavior in rat: Influence of maternal restraint.

Othman H, Ammari M, Sakly M, Abdelmelek H · 2017

Researchers exposed pregnant rats to 2.45GHz WiFi signals (the same frequency used by most home routers) for 2 hours daily throughout pregnancy, then tested their offspring for developmental and behavioral changes. They found that prenatal WiFi exposure altered physical development and caused anxiety, motor problems, and learning difficulties in the young rats, with effects being more severe when combined with maternal stress. The study also revealed oxidative stress (cellular damage) in the brains of exposed offspring.

Association of excessive mobile phone use during pregnancy with birth weight: an adjunct study in Kumamoto of Japan Environment and Children's Study.

Lu X, Oda M, Ohba T, Mitsubuchi H, Masuda S, Katoh T. · 2017

Japanese researchers studied 461 pregnant women to examine whether heavy mobile phone use during pregnancy affects baby birth weight. They found that babies born to mothers who used mobile phones excessively during pregnancy had lower birth weights and required emergency medical transport more frequently than babies whose mothers used phones normally. This suggests that intense phone use during pregnancy may pose risks to developing babies.

Effects of electromagnetic waves emitted from 3G+wi-fi modems on human semen analysis.

Kamali K et al. · 2017

Iranian researchers exposed human sperm samples to electromagnetic waves from a 3G+WiFi modem downloading data for 50 minutes and compared them to shielded samples. The exposed sperm showed significantly reduced motility (movement quality) and velocity, particularly affecting sperm that move poorly to begin with. This matters because declining sperm quality is already a major concern for male fertility worldwide.

Effect of Radiofrequency Radiation Emitted from 2G and 3G Cell Phone on Developing Liver of Chick Embryo - A Comparative Study.

D'Silva MH, Swer RT, Anbalagan J, Rajesh B. · 2017

Researchers exposed developing chick embryos to radiation from 2G and 3G cell phones throughout their development and examined the effects on liver tissue. They found significant structural damage to liver cells, including bleeding, cellular swelling, and DNA breaks, with 3G radiation causing more severe damage than 2G. This suggests that developing tissues may be particularly vulnerable to cell phone radiation during critical growth periods.

Maternal cell phone use during pregnancy and child behavioral problems in five birth cohorts.

Birks L et al. · 2017

Researchers analyzed data from 83,884 mother-child pairs across five countries to examine whether cell phone use during pregnancy affects children's behavior. They found that mothers who used cell phones more frequently during pregnancy were more likely to have children with hyperactivity and attention problems by ages 5-7. The study suggests prenatal EMF exposure may influence brain development, though the researchers acknowledge other factors could explain these connections.

Exposure to mobile phone (900-1800 MHz) during pregnancy: tissue oxidative stress after childbirth.

Bahreyni Toossi MH et al. · 2017

Researchers exposed pregnant mice to cell phone radiation (900-1800 MHz) for 2 hours daily throughout pregnancy, then examined tissue damage in both mothers and their newborns after birth. They found significant oxidative stress (cellular damage from harmful molecules) in the heart, liver, kidney, brain areas of both mothers and offspring. This suggests that prenatal cell phone exposure may cause lasting tissue damage that affects both the pregnant mother and developing baby.

Mobile phone (1800MHz) radiation impairs female reproduction in mice, Mus musculus, through stress induced inhibition of ovarian and uterine activity.

Shahin S, Singh SP, Chaturvedi CM. · 2017

Researchers exposed female mice to 1800 MHz mobile phone radiation (the frequency used by GSM networks) and found it significantly damaged their reproductive systems. The radiation increased harmful stress molecules in the brain, ovaries, and uterus while reducing fertility hormones and the number of healthy egg follicles. This suggests that mobile phone radiation may impair female fertility through cellular stress pathways.

Radiofrequency radiation (900 MHz)-induced DNA damage and cell cycle arrest in testicular germ cells in swiss albino mice.

Pandey N, Giri S, Das S, Upadhaya P. · 2017

Researchers exposed male mice to 900 MHz radiofrequency radiation (similar to cell phone frequencies) for 4-8 hours daily over 35 days and found significant damage to sperm-producing cells in the testes. The radiation disrupted the normal development of sperm cells, caused DNA damage, and reduced sperm counts by interfering with cellular energy production. While the effects were reversible after stopping exposure, the study demonstrates how RF radiation can impair male fertility at the cellular level.

Radiofrequency electromagnetic radiation from cell phone causes defective testicular function in male Wistar rats.

Oyewopo AO, Olaniyi SK, Oyewopo CI, Jimoh AT. · 2017

Researchers exposed male rats to cell phone radiation for 1-3 hours daily over 28 days and found significant damage to reproductive function. The radiation caused cellular degeneration in testicles, increased harmful oxidative stress, and decreased key reproductive hormones including testosterone. This suggests that regular cell phone exposure may impair male fertility through biological mechanisms that worsen with longer exposure times.

Postnatal development and behavior effects of in-utero exposure of rats to radiofrequency waves emitted from conventional WiFi devices.

Othman H et al. · 2017

Researchers exposed pregnant rats to WiFi signals (2.45GHz) for 2 hours daily throughout pregnancy and tracked their offspring's brain development. The study found that prenatal WiFi exposure delayed early neurodevelopment in the first 17 days after birth and caused oxidative stress (cellular damage from harmful molecules) in the brain at 28 days old. This suggests that WiFi exposure during pregnancy may affect early brain development in offspring.

Oxidative effects of extremely low frequency magnetic field and radio frequency radiation on testes tissues of diabetic and healthy rats.

Kuzay D, Ozer C, Sirav B, Canseven AG, Seyhan N. · 2017

Researchers exposed healthy and diabetic rats to extremely low frequency magnetic fields and radiofrequency radiation for 20 minutes daily over one month, then measured oxidative stress markers in testicular tissue. Both types of electromagnetic exposure increased harmful oxidative stress while reducing protective antioxidant levels, with diabetic rats showing more severe effects. The combination of both exposures produced the most pronounced damage to reproductive tissue.

Oxidative effects of extremely low frequency magnetic field and radio frequency radiation on testes tissues of diabetic and healthy rats.

Kuzay D, Ozer C, Sirav B, Canseven AG, Seyhan N · 2017

Scientists exposed healthy and diabetic rats to electromagnetic fields for 20 minutes daily over one month. Both EMF types increased harmful oxidative stress and reduced protective antioxidants in testicular tissue, with diabetic rats showing worse damage, suggesting EMF may harm reproductive health.

Effects of prenatal exposure to WIFI signal (2.45GHz) on postnatal development and behavior in rat: Influence of maternal restraint.

Othman H, Ammari M, Sakly M, Abdelmelek H. · 2017

Researchers exposed pregnant rats to WiFi signals (2.45 GHz) for 2 hours daily throughout pregnancy and studied the offspring's development and behavior. They found that prenatal WiFi exposure caused developmental delays, anxiety-like behavior, motor problems, and brain oxidative stress in the offspring, with male rats showing more severe effects. The study suggests that WiFi exposure during pregnancy may harm brain development and behavior in offspring.

Learn More

For a comprehensive exploration of EMF health effects including reproductive health, along with practical protection strategies, explore these books by R Blank and Dr. Martin Blank.

FAQs: EMF & Reproductive Health

When 80.9% of studies examining EMF exposure and reproductive health show harmful effects, we're looking at one of the most consistent patterns in the entire EMF research landscape. This isn't a case of mixed or inconclusive science. The evidence demonstrates clear and measurable impacts on human fertility, pregnancy outcomes, and reproductive development across hundreds of peer-reviewed studies spanning decades.
The BioInitiative Report database includes 361 peer-reviewed studies examining the relationship between electromagnetic field exposure and reproductive health. These studies have been conducted by researchers worldwide and published in scientific journals. The research spans multiple decades and includes various types of EMF sources including cell phones, WiFi, power lines, and other common sources of electromagnetic radiation.
80% of the 361 studies examining reproductive health found measurable biological effects from EMF exposure. This means that 288 studies documented observable changes in biological systems when exposed to electromagnetic fields. The remaining 20% either found no significant effects or had inconclusive results, which is typical in scientific research where study design and exposure parameters vary.