The only (statistically) significant increase was seen in an analysis looking at different types of ovarian cancer (tumors); in that analysis, women who had taken clomiphene citrate had a 67 percent increase in (serous) ovarian cancer tumors.A (separate) analysis comparing women who had used a fertility drug with women who had not used any of the drugs also found no (significant) differences, Dr. Jensen said, but those (figures) were not included in the paper. There was also no difference in risk for women who had used a (combination) of fertility drugs.
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