Electronic cigarette use (vaping) and patterns of tobacco cigarette smoking in pregnancy–evidence from a population-based maternity survey in England

Objectives Exposure to tobacco products during pregnancy presents a potential harm to both mother and baby. This study sought to estimate the prevalence of vaping during pregnancy and to explore the factors and outcomes associated with vaping in pregnancy. Setting England. Participants Women who gave birth between 15 th and 28 th October 2017. Methods A cross-sectional population-based postal survey of maternal and infant health, the National...