Epidemiological study (observational study)

Association between electromagnetic field exposure and abortion in pregnant women living in Tehran epidem.

By: Abad M, Malekafzali H, Simbar M, Seyed Mosaavi H, Merghati Khoei E

Published in: Int J Reprod Biomed 2016; 14 (5): 347-354

A study was conducted in Iran to investigate the association between radiofrequency electromagnetic field exposure and abortion.

Remark EMF-Portal: There are some inconsistences in data on sample size between text and tables.

Type of risk estimation:

(odds ratio (OR))

Group:
- women
Age: 18–35 years
Characteristics: pregnant women with gestational age of 12 complete weeks or less
Observation period: not stated
Study location: Iran (Tehran)
Exclusion criteria: chronic diseases, sexually transmitted infections, pregnancy by artificial reproductive techniques

Type	Value
Total	475
Participants	413

Statistical analysis method:

No consistent significant association between radiofrequency electromagnetic field exposure and abortion was observed.
The authors conclude that the results may provide no strong or consistent evidence for an association between electromagnetic field exposure and abortion.

The study is limited by its small sample size.

Mortazavi SMJ et al. (2017): Association between electromagnetic field exposure and abortion in pregnant women living in Tehran

Zhou LY et al. (2017): Epidemiological investigation of risk factors of the pregnant women with early spontaneous abortion in Beijing
Mahmoudabadi FS et al. (2015): Use of mobile phone during pregnancy and the risk of spontaneous abortion
Tan TC et al. (2014): Lifestyle Risk Factors Associated with Threatened Miscarriage: A Case-Control Study

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