Too much coffee or other caffeine drinks doubles risk of miscarriage: study
Jan. 21, 2008
Provided by: The Canadian Press
Written by: THE CANADIAN PRESS
TORONTO - Pregnant women who consume at least two cups of coffee or other caffeine-laced beverages a day could be doubling their risk of miscarriage, a U.S. study suggests.
Researchers found that women who ingested 200 milligrams or more of caffeine daily in coffee, tea, caffeinated sodas or hot chocolate had twice the risk of miscarrying compared to pregnant women who consumed no caffeine.
Two or more cups of regular coffee contain 200 milligrams of caffeine, as do five 355-millilitre cans of soft drinks made with the chemical.
The link between caffeine and miscarriage is not new, but the research team led by Dr. De-Kun Li for the Kaiser Permanente Division of Research said the study is the first to take other potential risk factors into account, including age, race, education, income, marital status, smoking status and alcohol consumption.
"The main message for pregnant women from these findings is that they probably should consider stopping caffeine consumption during pregnancy because this research provides clearer and stronger evidence that high doses of caffeine intake during pregnancy can increase the risk of miscarriage," Li said in a statement.
The study involved 1,063 pregnant women in San Francisco from 1996 to 1998, who did not alter their caffeine consumption pattern during pregnancy. The women were followed for up to 20 weeks of pregnancy.
Researchers found that 25.5 per cent of women who said they consumed more than 200 milligrams a day miscarried, compared with 12.5 per cent of women who reported no caffeine intake during pregnancy.
The study is published in the online issue of the American Journal of Obstetrics and Gynecology. Kaiser Permanente is a private health-care provider in California.
Source:
MedBroadcast.com
http://www.medbroadcast.com
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