There are two main hypotheses which explain how sex may act to remove deleterious genes from the genome.

Continuous Observations of Parasitic Condition of Trichomonas Vaginalis in Crime Wrong Crowds of the Sex Act

性罪错人群阴道毛滴虫寄生情况的连续观察

The rate of interventing CSW sex act was 96.66 %.

CSW接受 干预人数占96.66%.

But limiting the conversation to abstinence, Metzger says, "isn't a full-enough understanding of sexuality." Because they are voluntary, Great Conversations courses are free to be more frank than school-based sex ed;

但是将这方面的谈话内容仅仅局限在禁欲的话题内，“对性的理解并不全面”，梅泽尔如是说。“伟大谈话”的课程由于俱为自愿参与，因而可以比学校主导的性教育更放得开；

Detailed guidelines, released in 2012 as a resource for school districts, recommend minimum standards for comprehensive K-12 sex ed, but compliance is voluntary.

详细的教参，还是在2012年作为学区资料发放的，这套教参为K-12的全方位性教育给出了最低程度的建议，但是是否遵从全凭学校自愿。

As early as 1983, white conservatives in New Zealand warned that sex ed would alienate Maori populations as well as Asian immigrants.

早在1983年，新西兰的保守派白人就警告称，性教育会疏远毛利人和亚裔移民。

Parents Say They Want to Teach Sex Ed to Their Kids.

美国父母愿亲自对孩子进行性教育。

UTAH: Should Utah Revise Sex Ed? To make an improvised modification.

美国犹他州：应该修正性教育方案吗？作一次临时性的修正。

Since we broke up, I have only had safe sex with a special ed teacher and a dental hygienist.

分手之后，我只跟两个女人发生过安全性行为，一个是专科教师，一位是牙科清洁师。

As a result, sex ed varies widely in schools.

结果便导致不同学校的性教育普遍存在着巨大差异。

Attempted Study on Implications of Carrying out Sexual Education in Our Country from Humanistic Educational Theory

试谈人本主义教育理论对我国学校实施性教育的启示

16 and Pregnant: Sexual Education

《16岁的孕妇》：性教育

Thirdly, publicizing the content of sexual education.

其三，宣传性教育的内容。

Development and Revelation of Sexual Education in Korea

韩国智力落后儿童性教育的发展及启示

It is very important for college students to receive the perfect sexual education and build the prudent sexual concepts.

大学生接受完善的性教育和建立起慎重而不轻率的性态度、性观念非常重要。

The school is the main undertaker of sexual education;

学校是性教育的主要承担者；

School sexual education should be strengthened, and the universities should play the dominant roles in it.

性健康教育亟待加强，学校应发挥主渠道作用。

The Study of School Sexual Education's History Comparison

学校性教育的历史比较研究

Paying attention to recessive sexual education and establishing good atmosphere of sexual culture on the campus;

重视隐性教育，建设良好的校园性文化；

Discussion on construction of required course on sexual education for college students

在大学中设置性教育必修课的探讨

As to the sexual education for teenagers, there are still some aspects that are not as one wishes.

青少年的性别教育，也存在着一些不尽如人意的地方。