Author(s): Wong WY, Zielhuis GA, Thomas CM, Merkus HM, SteegersTheunissen RP
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Abstract OBJECTIVE: To examine the association between individual exposures due to occupation, environment and lifestyle on sperm count, we conducted a case-control study among 92 fertile and 73 sub-fertile Caucasian males. STUDY DESIGN: Data from questionnaires were analysed using simple univariate and multivariate logistic regression models. RESULTS: At risk for oligozoospermia are men exposed to pesticides (odds ratio (OR) 8.4; 95\% confidence interval (CI) 1.3-52.1), welding (OR 2.8; CI 0.9-8.7), antibiotic use (OR 15.4; CI 1.4-163), a history of mumps (OR 2.9; CI 1.3-6.7), gastrointestinal complaints (OR 6.2; CI 1.4-26.8), decreased intake of fruits (OR 2.3; CI 1.0-5.1), vegetables (OR 1.9; CI 0.7-5.0), or with female fertility disorders in their families (OR 8.4; CI 1.7-41.9). Unlike other studies, no associations were observed between oligozoospermia and exposure to paint or heat. CONCLUSION: This study suggests new risk factors oligozoospermia in man and confirms previously reported results from others.
This article was published in Eur J Obstet Gynecol Reprod Biol
and referenced in Journal of Fertilization: In Vitro - IVF-Worldwide, Reproductive Medicine, Genetics & Stem Cell Biology