A gestational vulnerability window for smoking exposure and the increased risk of preterm birth: how timing and intensity of maternal smoking matter

Abstract Background Reducing the incidence of preterm birth is a national priority. Maternal cigarette smoking is strongly and consistently associated with preterm birth. The objective of this study was to examine prenatal exposure based on combined measures of timing (by trimester) and intensity le...

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Bibliographic Details
Main Authors: Anthony J. Kondracki, Sandra L. Hofferth
Format: Article
Language:English
Published: BMC 2019-04-01
Series:Reproductive Health
Subjects:
Online Access:http://link.springer.com/article/10.1186/s12978-019-0705-x