A contraceptive patch produced by the Johnson & Johnson unit Ortho McNeil may be related to the deaths last year of about a dozen women who developed blood clots, according to a report by The Associated Press. Some 800,000 women used the patch in 2004, and the company said while it is investigating all the death reports, "we have not drawn any causal relationships to the medication." The news report said even before the patch was approved, the FDA knew non-fatal blood clots were three times more common among patch users than among women using contraceptive pills.

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