Outcome was assessed in 2,520 pregnancies in spouses of 1,715 Danish metal workers employed in steel manufacturing companies. The occurrence of spontaneous abortion was not increased for pregnancies at risk from either stainless steel or mild steel welding exposure. Even the use of the manual metal arc welding method on stainless steel, which results in higher exposure to welding fumes, was not related to an increased risk. The number of hours spent welding each day or the number of previous years of welding was unrelated to the occurrence of spontaneous abortions. The overall frequency of hospital treated spontaneous abortion in the study group was 8.5% and was comparable to the national average of 9.3%. This study found no evidence that paternal exposure to mutagenic substances in stainless steel welding caused increased risk of spontaneous abortion among spouses.
Scandinavian Journal of Work, Environment and Health, 21(4):272-276, 1995. (13 references)
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