Regional comparison of self-reported late pregnancy cigarette smoking to mass spectrometry analysis

Objective null To report a more accurate prevalence estimate of late pregnancy nicotine exposures. null Study design null A cross-sectional study during a 2-month period in 2019. Participants were women delivering in any of the six county maternity hospitals who consented to universal drug testing at the time of delivery as part of routine hospital admission. null Results null Of 2531 tested samples, 18.7% tested positive for high levels of...