Medical records were used to analyze the relative (incidence) of ovarian cancer in women who had taken either gonadotropins, clomifene citrate, human chorionic gonadotropin (hCG)or gonadotropin- releasing (hormone), compared with ovarian cancer rates of women who had not taken each of the individual drugs but may have been treated with one of the other (medications) After adjusting for risk factors, the researchers (concluded) there was no increase in ovarian cancer risk (associated) with the drugs, nor was there an increased risk for women who (underwent) 10 or more cycles of treatment or for women who never became (pregnant) despite treatment.

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