Washington: A mother`s exposure to some common environmental contaminants has been associated to more frequent and vigorous foetal motor activity, a new study has claimed.The study led by researchers at the Johns Hopkins Bloomberg School of Public Health found that some chemicals were also associated with fewer changes in foetal heart rate, which normally parallel foetal movements.The study of 50 pregnant women found detectable levels of organochlorines in all of the women participating in the study-including DDT, PCBs and other pesticides that have been banned from use for more than 30 years.Janet A. DiPietro, PhD, lead author of the study and Associate Dean for Research at the Bloomberg School of Public Health and her colleagues followed a sample of 50 high- and low- income pregnant women living in and around Baltimore, Maryland.
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