Hangchuan Shi, Zahíra Quiñones Tavárez, Zidian Xie, Liane M. Schneller, Daniel P. Croft, Maciej L. Goniewicz, Scott McIntosh, Richard J. O’Connor, Deborah J. Ossip, Irfan Rahman, Dongmei Li

This work was supported by the US Food and Drug Administration and National Cancer Institute (U54CA238110) and by the University of Rochester CTSA award number TL1 TR002000 from the National Center for Advancing Translational Sciences of the National Institutes of Health. The content is solely the responsibility of the authors and does not necessarily represent the official views of the National Institutes of Health or the US Food and Drug Association. Prevalence of conventional cigarette and electronic nicotine delivery system use prior to conception and behavior change during pregnancy - Findings from the Pregnancy Risk Assessment Monitoring System Phase 8 (2016-2017)