避孕药物是能阻断生殖过程中任何一个环节的药物。目前避孕药物主要有抑制排卵的避孕药物和抗着床避孕药物两类。
告诉孩子们医生要看过他们的病历，给他们做一个骨盆检查，解释各种避孕药物的利弊作用。
Explain to your teen that the doctor will review her medical history, conduct a pelvic exam, and go over the risks and benefits of different types of birth control.
如果你长时间服用避孕药物，你会有很多不同的选择。考虑以下问题会帮助你选择最适合你的避孕药。
If you're considering taking birth control pills, you may have various options. To help choose the best birth control pill for you, consider the following questions.
研究也表明，种族，教育程度，家族史和其他因素对口服避孕药物降低发病风险没有太大的不同影响。
The study also showed ethnicity, education, family history and other factors do not seem to make much difference in reducing risk when it comes to using the pill.
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