搜索结果: 1-2 共查到“医学 Oral Sex”相关记录2条 . 查询时间(0.087 秒)
Oral Sex and Condom Use Among Young People In the United Kingdom
Oral Sex Young People Condom Use
2009/9/17
CONTEXT: The development of UK national targets to reduce the transmission of HIV and other STDs has focused health promotion efforts on advocating the use of condoms during penetrative vaginal and an...
Over the past few decades, nationally representative surveys have accumulated a wealth of data on levels of adolescent sexual activity. Thanks to such surveys, we know how the proportion of 15-19-year...