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06/05/2014
The research, which is set to be presented at a meeting of the Pediatric Academic Societies in Vancouver, Canada, by scientists from Seattle Children's Hospital and the University of Washington School of Public Health, supports previous claims that smoking during pregnancy can affect a baby's health. In England alone, around 13% of women smoke while they are pregnant.
In its findings, the report said that smoking in early pregnancy could be responsible for 1% to 2% of all heart defects in babies.
For the report, experts looked at the hospital records of 14,128 children born with heart defects between 1989 and 2011 and compared them to records of more than 62,000 children born without heart defects in the same year. They analysed the number of children with heart defects whose mothers said they smoked during pregnancy, and the number of children without heart defects whose mothers smoked. The team discovered that babies are more likely to have a congenital heart defect if their mothers smoked during pregnancy.
In addition, the risk increased in those who smoked heavily, i.e. more than 20 cigarettes a day, while older women – aged 35 or more – were twice as likely to give birth to a baby with a heart defect if they smoked, compared to non-smoking pregnant women.
Commenting on the findings, the study said that these heart defects include problems with the valve and vessels that transport blood from the heart to the lungs and holes in the wall which separates the two chambers of the heart. It added that invasive surgery would be required to fix the defects.
Dr Patrick Sullivan, lead study author and clinical fellow in paediatric cardiology at Seattle Children's Hospital, is quoted by the BBC as saying: "Ongoing cigarette use during pregnancy is a serious problem that increases the risk of many adverse outcomes in newborns.
"Our research provides strong support for the hypothesis that smoking while pregnant increases the risk of specific heart defects."
(JP/IT)
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Mother's Smoking Can Increase Baby Heart Risk
Babies born to women over the age of 35 and who smoke are more likely to develop specific heart defects, a new study has claimed.The research, which is set to be presented at a meeting of the Pediatric Academic Societies in Vancouver, Canada, by scientists from Seattle Children's Hospital and the University of Washington School of Public Health, supports previous claims that smoking during pregnancy can affect a baby's health. In England alone, around 13% of women smoke while they are pregnant.
In its findings, the report said that smoking in early pregnancy could be responsible for 1% to 2% of all heart defects in babies.
For the report, experts looked at the hospital records of 14,128 children born with heart defects between 1989 and 2011 and compared them to records of more than 62,000 children born without heart defects in the same year. They analysed the number of children with heart defects whose mothers said they smoked during pregnancy, and the number of children without heart defects whose mothers smoked. The team discovered that babies are more likely to have a congenital heart defect if their mothers smoked during pregnancy.
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In addition, the risk increased in those who smoked heavily, i.e. more than 20 cigarettes a day, while older women – aged 35 or more – were twice as likely to give birth to a baby with a heart defect if they smoked, compared to non-smoking pregnant women.
Commenting on the findings, the study said that these heart defects include problems with the valve and vessels that transport blood from the heart to the lungs and holes in the wall which separates the two chambers of the heart. It added that invasive surgery would be required to fix the defects.
Dr Patrick Sullivan, lead study author and clinical fellow in paediatric cardiology at Seattle Children's Hospital, is quoted by the BBC as saying: "Ongoing cigarette use during pregnancy is a serious problem that increases the risk of many adverse outcomes in newborns.
"Our research provides strong support for the hypothesis that smoking while pregnant increases the risk of specific heart defects."
(JP/IT)
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