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Any Involvement in the Acquisition of the Dalkon Shield
Dr. Fred Clark wrote that 26 of 832 patients had become pregnant while wearing the Dalkon Shield. The Robbins company eventually performed their own tests and observed a pregnancy rate closer to 2%. But even this number seemed dubious because similar tests performed by Kaiser Medical Center and Sacramento and Beth Israel Hospital in Boston resulted in rates of 5.6% and 10.1% respectively.