News
18/3/2016

CREAL: Passive smoking during pregnancy is associated with an increased risk of respiratory problems in infants

CREAL: Passive smoking during pregnancy is associated with an increased risk of respiratory problems in infants


News from CREAL


The European Respiratory Journal has published a study coordinated by Manolis Kogevinas, Joint Scientific Director and researcher at the Centre for Research in Environmental Epidemiology (CREAL), an allied ISGlobal centre. The study examined the association between maternal passive smoking during pregnancy and wheeze in children aged less than two years. The researchers found that the children of non-smoking mothers who were exposed to tobacco smoke during their pregnancy were 11% more likely to develop wheeze than unexposed children.

The study also found that the risk of respiratory symptoms was further increased by sustained exposure to smoke during the various phases of pregnancy and after birth. Thus, risk of wheeze increased by 29% in children exposed to passive smoke after birth in addition to their mother’s passive exposure during pregnancy. The highest risk was observed in the children of mothers who smoked actively during pregnancy, rising to 74% when the infant was also exposed passively after birth. Risk of wheeze was higher in children with an allergic family history.

More information:
CREAL Website

Reference work:
C.I. Vardavas, C. Hohmann, E. Patelarou, et al. The independent role of prenatal and postnatal exposure to active and passive smoking on the development of early wheeze in children. Eur Respir J 2016; DOI: 10.1183/13993003.01016-2015