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Fig. 2 | Environmental Health

Fig. 2

From: Persistent organic pollutants, pre-pregnancy use of combined oral contraceptives, age, and time-to-pregnancy in the SELMA cohort

Fig. 2

(a) Cumulative concentration and (b) relative proportion of POPs in NHANES 2007–2010 and SELMA cohort. Geometric means of serum concentrations of the 13 analyzed compounds were used to determine cumulative burden and relative proportion in women aged 20–39 years in NHANES conducted in 2007–2010 in the United States and Swedish SELMA cohort both unstratified and stratified. Abbreviations: POPs – persistent organic pollutants; COC – combined oral contraceptives; HCB - hexachlorobenzene; p,p´-DDE – dichlorodiphenyldichloroethylene; PCB – polychlorinated biphenyls; NHANES – National Health and Nutrition Examination Survey

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Environmental Health

ISSN: 1476-069X