Abstract
BackgroundExposure to electromagnetic fields of cell phones increasingly occurs, but the potential influence on spontaneous abortion has not been thoroughly investigated.MethodsIn a case–control study, 292 women who had an unexplained spontaneous abortion at < 14 weeks gestation and 308 pregnant women > 14 weeks gestation were enrolled. Two data collection forms were completed; one was used to collect data about socioeconomic and obstetric characteristics, medical and reproductive history, and lifestyles. Another was used to collect data about the use of cell phones during pregnancy. For the consideration of cell phone effects, we measured the average calling time per day, the location of the cell phones when not in use, use of hands-free equipment, use of phones for other applications, the specific absorption rate (SAR) reported by the manufacturer and the average of the effective SAR (average duration of calling time per day × SAR). Analyses were carried out with statistical package state software(SPSS)v.16.ResultsAll the data pertaining to mobile phones were different between the two groups except the use of hands free devices (p < 0.001).ConclusionOur result suggests that use of mobile phones can be related to the early spontaneous abortions.
Highlights
Widespread concerns have been raised about exposure to electromagnetic field (EMF) from sources used for mobile telecommunication [1,2,3,4]
There were no significant differences in maternal and paternal ages, pre-pregnancy BMI, occupation and educational status, socioeconomic level, family relationship, duration from last delivery and history of previous abortions or preterm labors between the two groups
Logistic regression analysis revealed a significant association between the effective specific absorption rate (SAR) with the risk of spontaneous abortions after adjustment for maternal age, paternal age, history of abortions and family relationships (OR:1.11,p < 0.001) (Table 3)
Summary
Widespread concerns have been raised about exposure to electromagnetic field (EMF) from sources used for mobile telecommunication [1,2,3,4]. The public discussion of the health hazards of EMF exposure has focused on the possible association with cancer, cardiovascular and immune systems. Less attention has been paid to the evaluation of evaluating the health hazards of EMF exposure on reproductive health such as spontaneous abortions [7,8,9]. Exposure to electromagnetic fields of cell phones increasingly occurs, but the potential influence on spontaneous abortion has not been thoroughly investigated. Two data collection forms were completed; one was used to collect data about socioeconomic and obstetric characteristics, medical and reproductive history, and lifestyles Another was used to collect data about the use of cell phones during pregnancy. Analyses were carried out with statistical package state software(SPSS)v.16
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