The effects of work-related maternal risk factors on time to pregnancy, preterm birth and birth weight: the Generation R Study Burdorf, A.; Brand, T.; Jaddoe, V.W.; Hofman, A.; Mackenbach, J.P.; Steegers, E.A.P.
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Download date: 25 Mar 2019The effects of work-related maternal risk factors on time to pregnancy, preterm birth and birth weight: the Generation R Study Associations between maternal occupational exposure and fertility and pregnancy outcomes, adjusted for age, education, minority, parity, smoking and alcohol use, were studied using logistic regression analysis.Results Women in jobs with regular handling of loads $5 kg had better fertility and pregnancy outcomes. No self-reported exposure to chemicals was associated with any outcomes and self-assessments had very low reliability compared with JEM-based assessments. JEMbased maternal occupational exposure to phthalates was associated with prolonged TTP (OR 2.16, 95% CI 1.02 to 4.57) and exposure to pesticides was associated with decreased birth weight (OR 2.42, 95% CI 1.10 to 5.34). The population attributable fractions were small at 0.7% for phthalates and 0.7% for pesticides. Conclusion This birth cohort study presents evidence of health-based selection into the workforce and adverse effects of maternal occupational exposure to phthalates and pesticides on fertility and pregnancy outcomes.
