Maternal exposure to extremely low frequency magnetic fields: Association with time to pregnancy and foetal growth epidem.

Aim of study (acc. to author)

Endpoint/type of risk estimation

• reproductive effects and pregnancy outcomes: time to pregnancy, birth weight and small for gestational age

Exposure

• • 50/60 Hz
  • magnetic field
• • power transmission line
  • underground cable
  • electrical substation
  • other domestic appliance
• • residential
  • personal

Assessment

• questionnaire: weekly use of electrical appliances that were considered as potential MF sources at home (microwave oven, electric stove, sewing machine, food mixer, blender, water bed)
• measurement: spot measurements at the front door, in the kitchen, in the bedroom and in the living room of the appartment

Exposure groups

Population

• Group:
  • women
  • children in utero
• Age: 18–44 years
• Characteristics: mothers who lived in apartment buildings with a transformer station on the ground floor, in buildings within 100 m from ≥ 110 kV overhead lines or in buildings close to ≥ 10 kV underground cables and were having their first or second child
• Observation period: 1990 - 1994
• Study location: Finland
• Data source: birth register of Kuopio University Hospital

Study size

Results (acc. to author)

Limitations (acc. to author)

Comments on this article

• de Vocht F et al. (2016): Comments on "Maternal exposure to extremely low frequency magnetic fields: Association with time to pregnancy and foetal growth"
• Eskelinen T et al. (2016): Reply to Comment on "Maternal exposure to extremely low frequency magnetic fields: Association with time to pregnancy and foetal growth"

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