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Air in expectant moms' homes contains pesticides, border study finds
Date:7/11/2012

South Bronx, showed that fetal and childhood exposure to pesticides can be measured in indoor air and can adversely affect fetal growth in a minority population.

Young Hispanics recruited

The Harlingen researchers recruited pregnant Hispanic women from two maternity clinics in Hidalgo County. Enrolled women were 18-35 years old, had no serious medical conditions and had reached 30-34 weeks of gestation. The team asked the women questions about pesticide use and exposure, proximity to agricultural fields, and how often they saw spraying operations or detected pesticide or other odors drifting from fields.

Air samples were measured for multiple pesticides used in agriculture, given the close proximity of the fields to participant homes. These pesticides turned up in 12 percent of the homes, not as high a number as expected. "The reality is, when these pesticides are used outdoors, the sun and soil do their part and eliminate them from the environment," Dr. Tapia said. "Indoors you don't have nature helping you."

Outdoor exposures may not be reflected

Outdoor and indoor exposures are measured differently. "Agricultural spraying tends to result in shorter-term bursts, so-called acute exposures that may not be captured in a study like ours," Dr. Miller said. "This is a limitation of most pesticide exposure studies in agricultural areas."


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Contact: Will Sansom
sansom@uthscsa.edu
210-567-2579
University of Texas Health Science Center at San Antonio
Source:Eurekalert

Page: 1 2 3

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