Smoking during pregnancy significantly increases a person's risk for heart and lung diseases, and other negative health outcomes.[1] Babies whose mothers smoked while pregnant receive less oxygen and nutrients, which can slow growth, and decrease weight gain.[2] This may have long-term negative effects on a child's cognitive and physical development.[3]
| People who report smoking cigarettes during pregnancy |
About the MeasureThis data is collected from the Better Outcomes Registry and Network (BORN), a provincial program that collects data related to mother and infant health.[4] BORN collects data on smoking at the time of the first prenatal visit and smoking at the time of birth admission. This measure includes all women who gave birth (live or still birth) and who reported smoking cigarettes at their first prenatal visit or at birth admission. Key FindingsOverall, smoking during pregnancy in Wellington-Dufferin-Guelph decreased between 2013 and 2018. Rates of smoking during pregnancy were highest in Dufferin County across all years. In 2018, the percentage of people who reported smoking during pregnancy was nearly twice as high in Dufferin (13.4%) compared to Guelph (7.6%) and Wellington (6.0%). This data can be found in the downloadable Excel file at the bottom of this page.
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Source: BORN, 2013-18. Prepared by Health Analytics Team, Wellington-Dufferin-Guelph Public Health. WDG Report Card Coalition (distributor). Extracted May 29, 2019.LimitationsSmoking during pregnancy is self-reported and is subject to response bias. Smoking is increasingly viewed as a socially undesirable behaviour, and as a result, the percentage of smoking during pregnancy may be underreported.
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[1] Roelands, J., Jamison, M. G., Lyerly, A. D., & James, A. H. (2009). Consequences of smoking during pregnancy on maternal health. Journal of Women's Health, 18(6), 867-872.
[2] Jaddoe, V. W., Troe, E. J. W., Hofman, A., Mackenbach, J. P., Moll, H. A., Steegers, E. A., & Witteman, J. (2008). Active and passive maternal smoking during pregnancy and the risks of low birthweight and preterm birth: the Generation R Study. Paediatric and perinatal epidemiology, 22(2), 162-171.
[3] Gilman, S. E., Gardener, H., & Buka, S. L. (2008). Maternal smoking during pregnancy and children's cognitive and physical development: a causal risk factor? American Journal of Epidemiology, 168(5), 522-531.
[4] Better Outcomes Registry and Network Ontario. (2017). About BORN. Ottawa, ON: Available at: https://www.bornontario.ca/en/about-born/