• Russia's Putin names new executive group
    Published: May 16, 2008 at 5:57 PM
    MOSCOW, May 16 (UPI) -- Russian Prime Minister Vladimir Putin Friday announced the creation of the presidium, a new executive body designed to energize an "unwieldy" government.
  • Canadian actress to join 'CSI' cast
    Published: May 16, 2008 at 5:55 PM
    VANCOUVER, British Columbia, May 16 (UPI) -- Canadian actress Lauren Lee Smith has signed on to star in the U.S. television show "CSI: Crime Scene Investigation" next season.
  • MLB: Chi. Cubs 7, Pittsburgh 4
    Published: May 16, 2008 at 5:49 PM
    CHICAGO, May 16 (UPI) -- Alfonso Soriano homered twice and knocked in four runs Friday to power the Chicago Cubs past Pittsburgh 7-4.
  • Russia's Putin names new executive group
    Published: May 16, 2008 at 5:57 PM
    MOSCOW, May 16 (UPI) -- Russian Prime Minister Vladimir Putin Friday announced the creation of the presidium, a new executive body designed to energize an "unwieldy" government.
  • Canadian actress to join 'CSI' cast
    Published: May 16, 2008 at 5:55 PM
    VANCOUVER, British Columbia, May 16 (UPI) -- Canadian actress Lauren Lee Smith has signed on to star in the U.S. television show "CSI: Crime Scene Investigation" next season.
  • MLB: Chi. Cubs 7, Pittsburgh 4
    Published: May 16, 2008 at 5:49 PM
    CHICAGO, May 16 (UPI) -- Alfonso Soriano homered twice and knocked in four runs Friday to power the Chicago Cubs past Pittsburgh 7-4.
  • Paulson: Markets beginning to stabilize
    Published: May 16, 2008 at 5:45 PM
    WASHINGTON, May 16 (UPI) -- U.S. Treasury Secretary Henry Paulson said Friday he believes the nation's financial crisis may be coming to an end, but warned a recovery may take time.
  • UPI NewsTrack Health and Science News
    Published: May 16, 2008 at 5:44 PM
    Biodiversity on Earth is declining … Cell cancer-fighting trigger is found … Interior of Mars is colder than thought … Study shows bird sight isn't human sight ... Health/Science news from UPI.
  • Vendors hawk racially insensitive duds
    Published: May 16, 2008 at 5:43 PM
    CHICAGO, May 16 (UPI) -- Some Chicago vendors said they are selling controversial "Horry Kow" T-shirts, despite efforts by the Chicago Cubs to ban the offensive merchandise.

Study: Pesticides linked to preterm births


Published: May 7, 2007 at 2:44 PM
TORONTO, May 7 (UPI) -- Premature births in the United States may be linked to seasonal levels of pesticides and nitrates in surface water, a study reports.

Dr. Paul Winchester and colleagues at the Indiana University School of Medicine found that preterm birth rates peaked when pesticides and nitrates measurements in surface water were highest -- from April to July -- and were lowest when nitrates and pesticides were lowest, from August to September.

More than 27 million U.S. live births were studied from 1996 to 2002. The highest rate of prematurity occurred in May-June, at 11.91 percent, and the lowest for August-September, at 10.79 percent regardless of maternal age, race, education, marital status, alcohol or cigarette use, or whether the mother was an urban, suburban or rural resident.

Pesticide and nitrate levels in surface water were also highest in May-June and lowest in August/September, according to the U.S. Geological Survey.

The findings are being presented at the Pediatric Academic Societies' annual meeting in Toronto.

"Preterm births in the United States vary month to month in a recurrent and seasonal manner," Winchester said in a statement. "Pesticides and nitrates similarly vary seasonally in surface water throughout the United States and nitrates and pesticides can disrupt endocrine hormones and nitric oxide pathways in the developing fetus."


© 2007 United Press International. All Rights Reserved.
This material may not be reproduced, redistributed, or manipulated in any form.
» Next in Consumer Health Daily - Briefing: Gender differences in kidney disease