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TOPIC: Caffeine and Miscarriage/Pregnancy

Caffeine and Miscarriage/Pregnancy 25 Jan 2008 18:47 #8854

  • Debra
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If you haven't already heard the news about the new research on caffeine intake and misscarriage....... then, you'll need to keep this number in mind

200mg < no more than 200mg per day to reduce your chances of misscarrage in half

So how much is in that coffee, soda, or chocolate bar?

Check out this very nice list from the Center for Science in the Public Interest (the real FOOD POLICE) as I like to call them.

http://www.cspinet.org/new/cafchart.htm

Here's an article regarding the Kaiser Permanente study

Friday, January 25, 2008

[font=arial,helvetica,verdana][size=-1](MCT) WALNUT CREEK, Calif.—Consuming large amounts of caffeine during pregnancy by drinking coffee, soda, tea or hot chocolate increases the risk of miscarriage, a new study reveals.
Women who ingest 200 milligrams or more of caffeine per day are twice as likely to miscarry as women who consume no caffeine, the study by Kaiser Permanente found.
That equals about two cups of coffee daily or five 12-ounce cans of soda.
“We recommend avoiding caffeine, but if people are compelled to have it, we tell them for sure to limit it,” said Dr. David Walton, Kaiser’s regional chief of perinatology.
Previous studies have shown a link between caffeine and miscarriage. But critics questioned those findings, arguing that the results may have been skewed since many healthy pregnant women reduce their caffeine intake because of nausea and vomiting.
The Kaiser study addressed that issue by examining both women whose caffeine consumption changed during pregnancy and those who had no change.
It also adjusted for such factors as a mother’s age, race and income level, and whether she smoked, consumed alcohol or had a previous miscarriage.
The study appears online Monday at the web site of the American Journal of Obstetrics and Gynecology, [url=http://www.ajog.org.]http://www.ajog.org.[/url]
“Caffeine crosses the placenta barrier easily,” said Dr. De-Kun Li, the study’s lead investigator.
Once in the fetus, it may stay there longer because fetuses have an underdeveloped metabolic system, Li said.
In large quantities, caffeine may also decrease placental blood flow and harm cell development, experts say.
Not only should pregnant women limit their caffeine consumption, women who are attempting to become pregnant should consider doing so as well because the first 20 to 40 days after an egg is fertilized is a key time in its development, Walton said. As a result, harm could occur before a pregnancy is confirmed.
The researchers examined caffeine use among 1,063 pregnant Kaiser members in the San Francisco area from October 1996 to October 1998.
Interviewers asked the women about the frequency and amount of beverages they consumed and whether they changed their patterns after becoming pregnant.
The researchers then estimated the amount of caffeine consumed by assuming that for every 150 milliliters of a beverage, coffee contains 100 milligrams of caffeine, tea 39 milligrams, soda 15 milligrams and hot chocolate 2 milligrams.
Even decaffeinated coffee contains some caffeine. They estimated 2 milligrams

 
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