Caffeine-miscarriage link study

From: David Priver (dpriver@aol.com)
Sat Jan 26 15:32:13 2008


Study linking caffeine, miscarriages flawed

Regarding “Study reports link between caffeine use, miscarriages” (News, Jan. 21):

In my view, as an OB/GYN, this is a dreadfully flawed study that will serve no purpose other to further frighten pregnant women about the growing volume of supposedly dangerous substances that they must avoid.

First of all, it is hopelessly unreliable to question women, often months following a miscarriage, about what they did or did not consume while pregnant. Secondly, women who have the most “morning sickness” and, therefore, are the least likely to be consuming coffee (or nearly anything else), almost never miscarry, presumably as a result of a very high hormone level. This reflects an association, but clearly not a cause and effect relationship. Finally, it is well-established that miscarriage is, with very few exceptions, caused by pregnancies associated with chromosomal abnormalities, something that cannot possibly be affected by he consumption of caffeine.

As the March of Dimes spokeswoman stated while explaining why that organization will now proceed to jump on this fear-inducing bandwagon, “Women do need good guidance.” Indeed they do, but this study did not provide it.

--
DAVID PRIVER
San Diego




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