PARENTAL OCCUPATIONAL EXPOSURE AND SPONTANEOUS ABORTIONS IN FINLAND

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Abstract
Spontaneous abortions were analyzed by the occupatlonal exposure of women and their husbands, with date from the Finnlsh hospital discharge register and the national census. The occupations were grouped according to presumed exposure into seven categories: exposure to solvents; automobile exhaust fumes; polycycllc aromatic hydrocarbons; other chemicals; metals; textile dust; and animal microorganisms. The relative risks ot spontaneous abortion were estimated wlth loglstlc regression analysls to adjust for potentlally contoundlng factors. The broad exposure categorles appeared, at most, to be weak risk factors of spontaneous abortlon, because the relatlve risks of abortion were not significantly increased in any of the parental exposure groups. The analysls of detailed occupational categorles showed some female and male occupatlons with an increased risk. The observations of increased risk related to laboratory work support earlier flndings. The high number of textile occupations wlth increased risk is also worth noting, and further investigations are necessary to confirm whether this is due to occupational hazards or other factors.

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