Accuracy of self-reported smoking status in first trimester aneuploidy screening.


OBJECTIVES To review the accuracy of self-reporting of smoking status in our first trimester screening population and to assess the levels of pregnancy-associated plasma protein-A (PAPP-A) and free-β human chorionic gonadotropin (free-hCGβ) in women who were classified for smoking status by serum cotinine concentrations and self-reporting. METHODS… (More)
DOI: 10.1002/pd.4053

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