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当评价使用一种特定的避孕方法是参与宫颈癌危险性的增加还是减低时,重要的是要知道哪些流行病学因素可导致错误的结论。在仔细考虑结果和检查所得到的资料后,断定用口服避孕药的妇女浸润性宫颈癌的危险性可能增加。虽然各种类型屏障避孕法的保护作用有差异,屏障方法的使用者有可能降低宫颈癌的危险性。其它避孕方法的使用者没有改变宫颈癌的危险性。
When assessing whether a particular method of contraception is involved in increasing or decreasing the risk of cervical cancer, it is important to know which epidemiological factors can lead to erroneous conclusions. After careful consideration of the results and examination of the information obtained, the risk of invasive cervical cancer with oral contraceptives may be increased. Although the protective effects of various types of barrier contraception vary, users of barrier methods are likely to reduce the risk of cervical cancer. Users of other contraceptive methods have not changed the risk of cervical cancer.