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搜索结果: 1-3 共查到性科学 contraceptive use相关记录3条 . 查询时间(0.151 秒)
CONTEXT: Although pregnancy ambivalence is consistently associated with poorer contraceptive use, little is known about the sexual, social and emotional dynamics at work in pregnancy ambivalence. ...
CONTEXT: Despite the growing body of knowledge about teenager's sexual and contraceptive behavior in the United Kingdom, much quantitative work has failed to consider the broader social contexts in wh...
Context: Adolescent pregnancy, birth, abortion and sexually transmitted disease (STD) rates are much higher in the United States than in most other developed countries. Methods: Government statist...

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