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Assessing effects of prenatal PAH exposure on birth outcomes and neurocognitive development among a cohort of Polish mothers and newborns. Ulka Bawle*, Wieslaw Jedrychowski**, Robin Whyatt*, David Camann***, John Spengler***, Tom Dumyahn***, Frederica Perera* */ Center for Children’s Environmental Health, Columbia University, New York, USA **/Chair of Epidemiology and Preventive Medicine, Coll.Med.. Jagiellonian University, Krakow, Poland ***/
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What is the role of early life exposures to PAH?
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D - Developmental C - Cancer G - Genetic damage
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PAHsEpoxides Macromolecules DNA Biotransformation Mixed-function oxidases P-450 enzymes Aryl hydrocarbon hydrolase (AHH) HEALTH HAZARDS DUE TO PAH COMPONENTS Impairment of fetal and early childhood growth and development
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Research Design of study “Vulnerability of the Fetus/Infant to PAH, PM 2.5 and ETS” Recruitment in Pregnancy I tri. II tri. III tri. Deli- 3 m 6 m 9 m 12 m n=96 n=400 very
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Characteristics of recruited pregnant women: age of women N = 30 N = 105
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Characteristics of recruited pregnant women: by educational level and marital status N = 30 N = 105
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Characteristics of recruited pregnant women: number of pregnancies N = 30 N = 105
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PAH concentrations in low and high polluted areas of Krakow (N=30). Air monitoring over 48 hours. ng/m3
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PM 2.5 concentration in Krakow N = 30 14,652(Q3-Q1)/2 26,181Standard deviation 56,758Median 56,729Mean
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PAH concentrations in Krakow and New York City ng/m3
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Contribution of various chemical substances (in %) in the total PAH concentration in Krakow and New York City Krakow New York City
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