New research indicates premature babies whose mothers smoked during pregnancy had a higher heart rate and difficulty breathing as early whose mothers did not smoke.
The study by researchers at the University of Calgary, the first to examine the effects of prenatal exposure to cigarette smoke infant heart rate and breathing responses, article coverage the matter on 1 September of the American Journal of Respiratory and Critical Care Medicine.
The team examined 22 preterm infants born between 28 and 32 weeks, 12 had mothers who smoked more than five cigarettes per day during their pregnancy, while the other 10 mothers did not smoke.
Dr. Shabih Hasan, a professor of pediatrics and co-author, said he found the premature whose mothers smoked break their breathing and be slow to recover normal breathing. They also exposed the heart rate higher than the preterm infants whose mothers did not smoke.
Increased risk of sudden infant death
Hasan said smoking during pregnancy creates two significant risk factors for sudden infant death syndrome (SIDS).
"Not only does it increase the likelihood of a mother of a baby before term, which are already among the most vulnerable to SIDS, but it increases infants' sensitivity to other small island states developing, "he said Friday.
"We also know that babies exposed to smoke or fetuses when they become children, they also have developmental and behavioral problems."
Sarah Spensley, one of 10 non-smokers, mothers who participated in the study, with her daughter Leah, who was born premature eight weeks, said she hoped that future mothers to take the results to heart problems.
"I think the more information that comes out, the better and we can only hope that people take the information and use the best they can."
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