During the third month of pregnancy the sex of the child becomes determinable.

孩子的性别在妊娠期第三个月便可查明。

《牛津词典》

To begin with, they may ask themselves whether they would like their child to go to a single-sex school or a co-educational school.

首先，他们可能会问自己，他们想让自己的孩子上一所单性别学校还是男女同校的学校。

youdao

They also attract unscrupulous people who engage in nefarious activities, including child labor, human trafficking and abuse of commercial sex workers.

VOA: standard.2010.05.29

Such as human sex trafficking, child labor, prostitution, all those sorts of issues.

比如拐骗人们包括小孩到各地从事非法行为和卖淫，等等这一类的事情。

关于自由和时尚 - SpeakingMax英语口语达人

The child sex abuse scandal that engulfed Penn State in November remains active before the courts.

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Third, revise church canon law and Vatican protocols so that no secrecy surrounds child sex abuse.

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Scandinavian countries and Germany offer castration, of the chemical kind, to their child sex offenders.

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