Pre conception use of cannabis and cocaine among men with pregnant partners

Abstract Background: Paternal lifestyle during sperm development can have an impact on foetal development. This study surveys demographic characteristics and lifestyle factors among expectant fathers who reported use of cannabis and cocaine in the six-month period before conception. We also study the associations between mothers’ and fathers’ use of cannabis and cocaine. Methods: This is a cross-sectional study from the Norwegian Mother and Child Cohort Study (MoBa) using self-reported data on demographic variables and cannabis and cocaine use six months