Secondary sex characteristic dysfunction includes a lack of breast development and pubic hair.

第二性征的功能障碍包括乳房发育障碍和阴毛的缺失。

Individuals with Turner syndrome have a short stature, absent secondary sex characteristics, and a wide, or webbed, neck.

Turner综合征患者身材矮小，缺乏第二性征，颈短而宽、有颈蹼。

They also direct secondary sex characteristic development like increased height, growth of pubic hair and breasts.

它们也主导第二性征的发育，如身高增加、阴毛与乳房生长。

In Kallmann syndrome, there's an under-development of primary and secondary sex characteristics.

在Kallmann综合征中，第一性征和第二性征发育不良。

Secondary sex characteristic dysfunction includes a lack of facial hair, low muscle mass, and not developing a deep voice.

第二性征的功能障碍包括缺乏面部毛发、肌肉量减少与不能变声为低沉的声音。

In females, primary sex characteristic dysfunction includes amenorrhea or absence of menstruation, or oligomenorrhea or irregular menstrual cycle.

在女性中，第一性征的功能障碍包括闭经，即无月经，或月经减少，即月经周期不规则。

Some of that testosterone gets converted to estrogen, so these people have female external genitalia and female secondary sex characteristics.

一部分睾酮转换为雌激素，所以他们有女性的外生殖器和第二性征。

As a result, sex characteristics are under-developed.

结果就是性别特征发育不良。

Treatment is focused on hormone therapy which can stimulate puberty and the development of secondary sex characteristics.

治疗重点在于激素疗法，可刺激青春期和第二性征的发育。

The decrease in sex hormones inhibits the development of primary and secondary sex characteristics during puberty.

性激素水平的下降抑制了青春期第一和第二性征的发育。

It refers to people who were born with one or more of a variation of sex characteristics.

它指的是出生时具有一种或多种性别特征变异的人。

One, they direct the physical development of biological sex characteristics, and two, they help activate sexual behavior.

第一，它们指导生物性特征的身体发育，第二，它们帮助激活性行为。

So why does this matter to those of you who aren't intersex, who don't have variations of sex characteristics?

那么为什么这对你们这些不是双性人、没有性别特征变化的人来说很重要呢？

The increased production of sex hormones drives the development of primary and secondary sex characteristic that we see during puberty.

性激素生成的增加促进了青春期内我们见到的第一性征和第二性征发育。

These effects mimic naturally-occurring testosterone, which drives the development and maintenance of male secondary sex characteristics and general growth in everyone.

这些效果模仿自然产生的睾丸激素，推动男性第二性征的发展和维持以及每个人的总体成长。

Increased testosterone also leads to the development of secondary sex characteristics like growth of facial and pubic hair, increased height and muscle mass, and a deepening of the voice.

睾酮水平升高还会导致第二性征的出现，如面部和阴毛生长、身高和肌肉量增加，以及声音变低沉。

Secondary sex characteristics refers to any sex-specific physical characteristic that is not directly involved or necessary in sexual reproduction, like pubic hair and breasts, in females.

第二性征是指其他所有性别特异的、而不直接与生育相关或在生育中不是必需的体征，例如阴毛和女性的乳房。

And then there are secondary sex characteristics, which develop at puberty and are not directly involved in reproduction, things like pubic hair, enlarged breasts or facial hair.

然后是第二性征，它在青春期发育，不直接参与生殖，比如阴毛、乳房增大或面部毛发。

The Tanner scale, or Tanner stages, is a predictable set of steps that males and females go through as they develop primary and secondary sex characteristics and become sexually mature.

Tanner量表或Tanner分期可以用来预测男性和女性第一性征、第二性征以及性成熟的发育历程。

Having an extra X chromosome makes the testicular cells generate less testosterone, which is a hormone responsible for primary sex characteristics like development of the sex organs as well as secondary sex characteristics like height and body shape.

多一条X染色体会让睾丸间质细胞的睾酮产量下降；睾酮这种激素不仅负责第一性征的发育，如性器官发育，也负责第二性征发育，如身高和体形。