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2001 FEB 1 - (NewsRx.com) -- University of Southern California researchers have shown that school-aged children with asthma have large deficits in lung function associated with exposure to maternal smoking in the womb.
These deficits appear to be independent of later exposure to environmental tobacco smoke (ETS).
Frank D. Gilliland, MD, PhD, and colleagues examined the medical history and tobacco exposure data for 5,263 participants in the Children's Health Study - a 10-year longitudinal study of school children's respiratory health.
They found that both boys and girls with a history of in utero exposure to maternal smoking showed deficits in lung function, which were larger for children with asthma.
The study results were published in the December 2000 issue of the American Journal of Respiratory and Critical Care Medicine.
Most participants were non-Hispanic, white, fourth grade students. Approximately 60% were never exposed to household ETS, said Gilliland. About 3% were exposed only during the in utero period, and 12% had ETS exposure at the time of the study, but had not had in utero exposure. He noted that the ...
Source: HighBeam Research, Asthmatic Children Show Lung Function Deficits from Maternal in utero...