Steroid hormones, on the other hand, molecules like testosterone and estrogen, progesterone, the sex steroids that determine sexual characteristics and are important for reproductive function are molecules that are all derived from a similar source.

另一方面,类固醇类激素,像睾丸激素,雌激素,黄体酮这样的分子,性激素决定了性征,它对生殖功能十分重要,这类分子有着相似的来源

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For instance, it may alter the level of sex hormones around the time of conception.

BBC: NEWS | Health | Optimists more likely to have boys

As every awkward adolescent or expectant mother knows, sex hormones can have profound effects on the body.

ECONOMIST: Cattle hormones: Hot flushes | The

Our study confirms that high levels of sex hormones can raise risk.

BBC: Sex hormones raise breast risk