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Factors Affecting British Teenagers' Contraceptive Use at First Intercourse：The Importance of Partner Communication
British Teenagers First Intercourse Contraceptive Use Partner Communication
2009/9/17
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...
Seasonality of Premarital First Intercourse among Brazilian Youth（图）
Brazilian Youth sexual health
2008/4/14
Strengthening of youth-oriented reproductive and sexual health services requires an understanding of the population at risk and their patterns of behaviour. Seasonal clustering of the timing of premar...