Women may be at risk for unintended pregnancy if they forgo contraception or use ineffective methods because they erroneously believe they are unlikely to conceive. However, the relationship between perceived susceptibility to pregnancy and contraceptive use is not fully understood.

中文翻译：

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全国女性退伍军人样本中对怀孕的感知敏感性与避孕使用之间的关联。

如果妇女错误地认为自己不太可能怀孕，那么如果她们放弃避孕或使用无效的方法，可能会面临意外怀孕的危险。但是，尚未完全理解怀孕的易感性与避孕药具之间的关系。