Prevalence of smoking during pregnancy

Maternal smoking trajectory during pregnancy predicts offspring’s smoking and substance use – The Northern Finland birth cohort 1966 study

“…86%) of mothers did not smoke during the pregnancy. Even though the data were collected in 1960s, the prevalence of pregnancy smoking was similar to a recent meta -analysis ( Berrueta et al, 2018 ). Mothers who smoked during pregnancy were more likely to be unmarried, to have a smoking partner, to be depressed, not to want the pregnancy, to be skilled workers, to live in urban areas, and to be younger than non-smoking mothers.…”