Deriving pleasure or sexual gratification from inflicting pain on another.

Objective To investigate sexually transmitted infection ( STI) prevalence and risk behavior factor among different female populations in Guangzhou.

目的调查广州地区不同人群女性性传播感染（STI）的流行现状。

Untreatable gonococcal infections would result in increased rates of illness and death, thus reversing the gains made in the control of this sexually transmitted infection.

无法治愈的淋球菌感染会导致发病和死亡的比率上升，从而会逆转因控制了性传播感染所取得的成果。

Having another sexually transmitted infection such as syphilis, herpes, chlamydia, gonorrhoea, and bacterial vaginosis;

已感染另一性传播疾病，如梅毒、疱疹、衣原体、淋病和细菌性阴道炎等；

Condoms cannot be the definitive answer to sexually transmitted infection, he writes, because they provide insufficient protection against many common diseases.

他说，安全套不性传播疾病的最终答案，因为它们无法预防许多常见的疾病。

Most of VVC patients were endogenous infection ( pathogenic origin from the vagina or anus), a small number of them were exogenous ( sexually transmitted) infection. Conclusions: 1.

大多数VVC患者为内源性感染（致病菌起源于阴道内或肛周），少数为外源性（性传播）感染。

Tests for gonorrhea and Chlamydia trachomatis infection were negative, and the presumed diagnosis was sexually transmitted infection.

可能的诊断为性传播疾病，而淋球菌和衣原体检查阴性。

Doctors are also surprised at how many decline the three-dose shot to prevent HPV, a sexually transmitted infection which can lead to cervical cancer in women and cancers of the head, neck, penis and anus in men.

注射预防HPV的三剂预防针数量大量减少，医生也对此感到惊讶。HPV通过性接触感染，会导致女性的宫颈癌，以及男性头部、颈部、生殖器和肛门的癌症。

The prevention of non-communicable diseases, sexually transmitted infection and AIDS need to be strengthened.

目前，迫切需要加强慢性非传染性疾病防治项目和性病、艾滋病防治项目的提供。

Medical care seeking of patients with sexually transmitted infection among female sexual-workers in Yunnan province

云南省女性性服务者性传播感染就医方式分析

Chlamydia is the most common sexually transmitted infection in Europe and the United States.

在欧美国家，衣原体感染是最常见的性病传播疾病。

Social Hygiene Service is a specialist clinical service for sexually transmitted infection in Hong Kong.

社会卫生科诊所是香港公营的性病门诊服务。

Life is a sexually transmitted disease. Infection can spread retrograde down a drain from the exterior.

生命是一种经由性接触而散播的疾病。感染能从外界经引流管逆行播散。

A urine test can diagnose the sexually transmitted infection chlamydia in men within an hour, enabling on-the-spot treatment.

一个尿样检测一小时之内就可以诊断出衣原体性别传输感染，使当场治疗成为可能。

Investigation and analysis of sexually transmitted disease and infection

淮北地区性传播疾病感染情况调查分析

These Sexually Transmitted Infection cupcakes ( including herpes and genital warts) are available in a £ 3.50 lucky dip-you don't know what you'll get

这些性传播感染的蛋糕（包括疱疹和生殖器疣）花3.50英镑可以轻咬一口——你不知道你将得到什么

Investigation and Analysis on Sexually Transmitted Infection Among Different Females Group in Guangzhou

广州地区不同人群女性性传播感染状况调查与分析

These Sexually Transmitted Infection cupcakes ( including herpes and genital warts) are available in a&# 163; 3.50 lucky dip – you don't know what you'll get

这些性传播感染的蛋糕（包括疱疹和生殖器疣）花3.50英镑可以轻咬一口&你不知道你将得到什么

Women with no history of a sexually transmitted infection were more than twice as likely to report that their method decreased sexual pleasure.

报道还显示，没有性传播感染史的女性有超过两倍的人说她们的方法会降低性快感。

A: Many of the women that I have counselled on infertility had a history of a sexually transmitted infection ( STI).

答：许多曾向我咨询不孕问题的妇女都有过性传播感染史。

Kang Lai pointed out that currently, China's new AIDS cases made to the main sexually transmitted infection ratio increased year by year.

康来仪指出，目前，我国新发艾滋病病例以性传播为主，感染比例逐年上升。