Conclusion the married couples in the Chinese cities have generally good understanding of contraceptive knowledge, which can be affected by different factors among different populations.

结论我国城市已婚育龄夫妇对避孕知识掌握较好，不同人群掌握避孕知识的影响因素有所不同。

youdao

Objective To evaluate the impacts of a community based intervention of informed choice on contraceptives on contraceptive knowledge levels among women with childbearing age in rural area.

目的评估避孕节育知情选择社区干预对农村已婚育龄妇女避孕知识的影响。

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Moreover, the Japanese government forbids pharmaceutical companies to give information on the contraceptive use of the pill, so most of the women who take it have little knowledge of the risks and benefits.

ECONOMIST: The pill in Japan