Browse 8,700 peer-reviewed studies on electromagnetic field health effects from 4 research libraries.
Showing 675 studies in Reproductive Health
Charles Wallach · 1982
This 1982 study examined health complaints from computer and TV screen operators, finding DC voltage gradients up to 50,000 volts per meter between users' faces and screens. Researchers linked common symptoms like headaches, eye irritation, and pregnancy complications to the screens' positive electrical charge disrupting natural air ions.
Charles Wallach · 1982
This 1982 study examined health effects from cathode ray tube (CRT) displays used in computers, televisions, and video games. Researchers found that CRT screens create electrical fields up to 50,000 volts per meter near users' faces and linked these displays to eye irritation, headaches, nausea, and pregnancy complications. The study suggested that positive electrical charges from CRT screens disrupt natural air ions, creating an unhealthy breathing environment for operators.
Unknown authors · 1980
Israeli researchers in 1980 exposed human sperm samples to various electromagnetic radiations including visible light, UV light, x-rays, and high-frequency radio waves. While sperm showed remarkable resistance to light and x-ray exposure, high-frequency radio waves significantly reduced sperm motility and survival. This early study identified radio frequency radiation as potentially harmful to human reproductive cells.
Clinton Cox, Betsy Egan, Ed Foley, Bob Herrick · 1979
In 1978, NIOSH surveyed RF heat sealing equipment at a Connecticut manufacturing plant to assess worker radiation exposure levels. They found 10 of 11 heat sealers produced electric fields exceeding 200 V/M, identifying a potential worker population for future health studies. This was part of NIOSH's effort to establish whether occupational RF exposure causes reproductive health effects.
D. I. McRee, P. Nawrot · 1979
This 1979 study exposed pregnant mice to 2.45 GHz microwave radiation (the same frequency used in microwave ovens and WiFi) at various power levels for 8 hours daily during pregnancy. Researchers tested three different exposure intensities and used multiple control groups to separate microwave effects from heat and handling stress. The study found biological effects from microwave exposure during pregnancy.
Helen C. Chase · 1979
This 1979 government study proposal outlined plans to investigate whether fathers' exposure to radiofrequency radiation could cause birth defects in their children. The research aimed to examine reproductive health effects in men exposed to microwave radiation, particularly focusing on potential genetic damage that could affect offspring.
PADMAKAR P. LELE · 1979
This 1979 review examined the safety concerns surrounding ultrasound use in obstetrics and gynecology, focusing on potential health hazards from diagnostic imaging during pregnancy. The author provided a framework for interpreting future research on ultrasound safety risks for human health. This represents early recognition that even medical ultrasound applications required careful safety evaluation.
Patricia Y. Hester, B.B. Bohren · 1978
Researchers exposed chicken eggs to electromagnetic fields of up to 160 gauss for 3 seconds each before incubation, then measured hatching rates and chick weights. The study found no effects on hatchability, body weight, or hatching time, contradicting a U.S. patent's claims that similar EMF exposure improves hatching success by 5-8%.
Harry D. Muller · 1978
This 1978 study tested electromagnetic rodent control devices in poultry facilities and found they successfully reduced rat and mouse populations. The devices caused neurological dysfunction in rodents, leading to distorted eating patterns, lethargy, reduced reproduction, and eventually death. When the electromagnetic field was removed, surviving rodents recovered.
Sol M. Michaelson, Ronnie Guillet, Franklin W. Heggeness · 1977
Researchers exposed pregnant rats to 2450 MHz microwave radiation (the same frequency used in microwave ovens and early WiFi) at power levels of 10-40 mW/cm² during different stages of pregnancy. The study investigated whether this prenatal microwave exposure would affect the functional development of the offspring, though the abstract cuts off before revealing the complete findings.
P. S. Rai, H. J. Ball, S. O. Nelson, L. E. Stetson · 1977
Researchers exposed mealworm beetles to 39 MHz radiofrequency radiation and found it severely disrupted their ability to reproduce. Higher RF energy levels and longer exposures reduced sperm activity and prevented successful mating, leading to fewer viable eggs.
Daels, J · 1976
This 1976 study investigated the use of microwave energy to heat uterine wall tissue during childbirth (parturition). The research examined how microwave heating could potentially be applied in obstetric procedures, representing early exploration of microwave technology in medical applications. This work provides historical context for understanding how microwave energy interacts with reproductive tissues.
S. J. BAUM et al. · 1976
Researchers exposed rodents to intense electromagnetic pulse (EMP) radiation for 94 weeks, delivering 250 million pulses at extremely high field strength (447 kV/m). Despite this massive exposure, scientists found no biological effects on blood chemistry, chromosomes, fertility, or tumor development. This 1976 study suggests rodents can tolerate very high levels of pulsed electromagnetic radiation without measurable harm.
William B. Stavinoha et al. · 1975
Researchers exposed 4-day-old mice to high-frequency electromagnetic radiation and tracked their growth for up to 16 weeks. The study found no effects on growth or development in these young mice. This early research from 1975 suggests newborn mice can tolerate certain levels of RF exposure without obvious developmental impacts.
Lancranian I, Maicanescu M, Rafaila E, Klepsch I, Popescu HI · 1975
Researchers studied 31 men (average age 33) who worked around microwaves for an average of 8 years. They found that 70% experienced reduced sex drive and sexual problems, while 74% showed sperm abnormalities including poor sperm movement, low sperm count, and abnormal sperm shape. Hormone levels remained normal, suggesting the microwaves directly affected sperm production rather than hormone systems.
P. S. RAI, H. J. BALL, S. O. NELSON, L. E. STETSON · 1975
Researchers exposed mealworm beetles to 39 MHz radiofrequency radiation and found it significantly reduced female reproduction rates. The effects were stronger with longer exposure times and higher power levels, and surprisingly, treating males had more impact on fertility than treating females directly.
Gabriel G. Nahas et al. · 1975
Researchers exposed rats to magnetic fields between 200-1200 Gauss for one month and found no toxic effects or tissue damage. The only notable finding was that young rats exposed to magnetic fields gained more weight than unexposed rats. The study concluded these field strengths should be safe for human exposure lasting several hours.
Roberts Rugh, Edward I. Ginns, Henry S. Ho, William M. Leach · 1975
Researchers exposed 1,096 mice to microwave radiation to study how female reproductive cycles and pregnancy affect radiation sensitivity. They found female mice were more vulnerable during estrus (heat) than other cycle phases, and pregnant mice exposed on day 8 of pregnancy developed birth defects including brain malformations at doses as low as 5 calories per gram of body weight. The study revealed complex, non-linear dose-response relationships that make predicting biological effects difficult.
Dietzel F. · 1975
This 1975 study by Dietzel examined how radiofrequency (RF) electromagnetic radiation affects embryo development and implantation in pregnant rats. The research challenged the prevailing belief that non-ionizing radiation was too weak to cause biological damage, finding that RF exposure could indeed affect developing embryos during pregnancy.
P. S. RAI, H. J. BALL, S. O. NELSON, L. E. STETSON · 1974
Scientists exposed mealworm beetles to 39 MHz radiofrequency radiation and found severe damage to both male and female reproductive organs. In females, egg cells disintegrated and ovarian tissue developed abnormal vacuoles, while in males, sperm production was disrupted and mature sperm disappeared from reproductive ducts. This early study demonstrates that RF radiation can cause structural damage to reproductive tissues in living organisms.
Man M. Varma, Eric Traboulay · 1974
Researchers exposed young male Swiss mice to microwave radiation at frequencies used in early cell phone technology (1.7 and 3.0 GHz) to study effects on reproductive tissue. They found that exposure at 1.7 GHz caused severe changes to testicular structure and disrupted sperm production. The study provides early evidence that microwave radiation at levels comparable to wireless devices can damage male reproductive function.
Multiple session chairmen and presenters including R.C. Baird et al. · 1974
This 1974 New York Academy of Sciences conference brought together researchers to discuss methods for measuring electromagnetic radiation exposure and its biological effects. The meeting covered microwave dosimetry techniques and explored potential health impacts on genetics, development, and sensory systems. This represents early scientific recognition that we needed standardized ways to measure EMF exposure and understand biological consequences.
OSTROVSKAIA IS, IASHINA LN, EVTUSHENKO GI · 1974
This 1974 Soviet research examined how low-frequency pulsed electromagnetic fields affected rat reproductive organs, specifically the testes. While the specific findings aren't available, this represents early animal research into EMF effects on male fertility. The study contributes to our understanding of how electromagnetic exposures might impact reproductive health.
DAVID McK. RIOCH, M.D. · 1974
This 1974 study exposed pregnant rats to 2450 MHz microwave radiation on day 13 of pregnancy to investigate effects on fetal brain development. Researchers found that low-dose microwave exposure actually stimulated growth, producing larger fetuses with bigger cerebral cortexes compared to unexposed controls. This contradicted expectations based on the known harmful effects of ionizing radiation.
P. S. RAI, H. J. BALL, S. O. NELSON, L. E. STETSON · 1974
Scientists exposed mealworm beetles to 39 MHz radiofrequency fields and found severe damage to both male and female reproductive tissues. The radiation caused egg cells to disintegrate, sperm production to fail, and no mature sperm were found in the male reproductive ducts. This early study demonstrates that RF radiation can devastate reproductive function in living organisms.