Patients in group 2 were asked to have sexual intercourse at least three times a week (n=66). Patients in group 3 received standard medical therapy alone and acted as the controls (n=64). The expulsion rate was controlled after 2 and 4weeks. Differences between the groups were analyzed ...
Condom use was reported by 80% of sexually initiated students at last intercourse. Boys' condom use was associated with older age, higher family affluence, bullying others, more frequent physical activity and health protective behaviours. For girls, condom use was predicted by belonging to a non-...
Middle aged men should be heartened to know that frequent sexual intercourse is not likely to result in a substantial increase in risk of strokes, and that some protection from fatal coronary events may be an added bonus. 展开 关键词: Humans Cerebrovascular Disorders Coronary Disease Logistic ...
Sexual intercourse and pregnancy among African American adolescent girls in high-poverty neighborhoods: The role of family and perceived commu- ... Moore, Mignon R.|Chase-Lansdale, P. Lindsay 被引量: 0发表: 1999年 Sexual Intercourse and Pregnancy among African-American Adolescent Girls in High ...
METHODS: Data from 1,975 female participants in the National Longitudinal Study of Adolescent Health were analyzed using logistic regression to determine whether the age difference between an adolescent female and her romantic partner is a risk factor for sexual intercourse. RESULTS: Adolescent females ...
PN Halkitis,JT Parsons,L Wilton - 《Archives of Sexual Behavior》 被引量: 353发表: 2003年 Negotiating Risks in Context: A Perspective on Unprotected Anal Intercourse and Barebacking Among Men Who Have Sex with Men—Where Do We Go from Here? Recently, an alarming trend toward unprotected anal...
" Remembering her sexual activity with her boyfriend the night before, Zhou answered honestly, "Yes, I did..." Hearing this, the doctor stopped the examination: "We cannot continue the test today. Come back three days later for the test. Remember to abstain from sexual intercourse the day ...
sample of coitally experienced college females was utilized to explore the adequacy of several related beliefs that constitute the cultural mythology of female sexual initiation in American society and to identify possible correlates of the subjective experience of pain during women's first intercourse....
A Study of the Sexual Art of Having Intercourse with Several Young Virgins (多御少女房中術) in Traditional Chinese Medicine 喜欢 0 阅读量: 921 作者: S Yan 摘要: 中国科学院机构知识库(中国科学院机构知识库网格(CAS IR GRID))以发展机构知识能力和知识管理能力为目标,快速实现对本机构知识资产的收集...
They were presented with several concrete cases in which a young person with a learning disability is having sexualintercourse. The participants' main concerns were centered on the consequences of the sexual relationships, and not on therelationships per se. Relationships that could lead to ...