Adverse pregnancy outcome and childhood malignancy with reference to paternal welding exposure

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Abstract

Welding may deteriorate spermatogenesis and increase reproductive failures. This study examines reproductive end points in a Danish cohort of 10,059 metalworkers who fathered 3,569 children in 1973 through 1986. Occupational histories were gathered by postal questionnaires. Information on pregnancy outcomes and offspring was obtained by record linkage to medical registers. The occurrence of reduced birthweight, preterm delivery, infant mortality, and congenital malformation was not increased among children at risk from paternal welding exposure in comparison with children not at risk. The overall incidence of childhood malignancies among 23,264 children born in 1968 through 1986 with a total of 259,113 person-years of follow-up was equal to national rates (relative risk 0.97, 95% confidence interval 0.63-1.42). However, pregnancies preceding a birth at risk from paternal exposure to stainless steel welding were more often terminated by spontaneous abortion (odds ratio 1.9, 95% confidence interval 1.1-3.2). This finding needs cautious interpretation and should be further investigated in future studies.

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APA

Bonde, J. P. E., Olsen, J. H., & Hansen, K. S. (1992). Adverse pregnancy outcome and childhood malignancy with reference to paternal welding exposure. Scandinavian Journal of Work, Environment and Health, 18(3), 169–177. https://doi.org/10.5271/sjweh.1591

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