Overall, women who had used any oral contraceptive had a 50 percent reduction in the risk of developing ovarian cancer than women who had never taken the Pill, the investigators report.

调查人员得出的总的数据显示，服用口服避孕药的女性患卵巢癌的几率比没有服药的低50%。

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Overall, women who had used any oral contraceptive had a 50 percent reduction in the risk of developing ovarian cancer than women who had never taken the Pill, the investigators report.

调查人员得出的总的数据显示，服用口服避孕药的女性患卵巢癌的几率比没有服药的低50%。

youdao