Studientyp:
Epidemiologische Studie
(Beobachtungsstudie)
The effect of extremely low frequency electromagnetic fields on pregnancy and fetal growth and development
epidem.
[Die Wirkung extrem niederfrequenter elektromagnetischer Felder auf die Schwangerschaft, das Wachstum und die Entwicklung des Fötus]
Von:
Mahram M, Ghazavi M
Veröffentlicht in: Arch Iran Med 2013; 16 (4): 221-224
Ziel der Studie (lt. Autor)
Endpunkt/Art der Risikoabschätzung
Exposition
Abschätzung
Expositionsgruppen
|
Gruppe
|
Charakteristik
|
|
Gruppe 1
|
Frauen, die in Häusern direkt unter den Hochspannungsfreileitungen oder in einem Abstand bis zu 25 m entfernt wohnten: exponiert
|
|
Referenzgruppe 2
|
Frauen, die 2 bis 3 Straßen weiter entfernt von den exponierten Frauen wohnten: nicht exponiert
|
Population
Studiengröße
Statistische Analysemethode:
Ergebnisse (lt. Autor)
Insgesamt waren 222 schwangere Frauen in der Gruppe mit Exposition bei extrem niederfrequenten elektrischen und magnetischen Feldern (mittlere Magnetfeldstärke 0,3 ± 0,18 µT; mittlere elektrische Feldstärke: 6,7 ± 5,5 kV) und 158 schwangere Frauen in der nicht-exponierten Gruppe (mittlere Magnetfeldstärke 0,04 ± 0,004 µT; mittlere elektrische Feldstärke: 0,02 ± 0,008 kV).
Es wurden keine signifikanten Unterschiede in der Schwangerschafts-Dauer, bei vorzeitigen Wehen, dem Geburts-Gewicht und der Geburts-Länge, dem Kopfumfang bei der Geburt und den angeborenen Fehlbildungen zwischen den beiden untersuchten Gruppen gefunden.
Studie gefördert durch
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Qazvin University of Medical Sciences, Iran
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