Pinyin/Estrogen

Estrogen is a group of female hormones, including estrone, estradiol, and etc. Estradiol is the most important estrogen. Estrogen is mainly secreted by the ovary, a small amount by the liver, adrenal cortex, and breast. In pregnancy, the placenta can also has a lot of secretion. Male testes also secrete a small amount. Ovary mainly secretes β-estradiol, other estrogens are less important.

Cíjīsù shì yīzǔ nǚxìng jīsù, bāokuò cítóng, cí'èrchún děng. Cí'èrchún shì zuì zhòngyào de cíjīsù. Cíjīsù zhǔyào yóu luǎncháo fēnmì, shǎoliàng yóu gānzàng, shènshàngxiàn-pízhì, rǔfáng fēnmì. Huáiyùn shí, tāipán yě kě dàliàng fēnmì. Nánxìng de gāowán yě huì fēnmì shǎoliàng. Luǎncháo fēnmì de zhǔyào shi β-cí'èrchún, qítā cíjīsù de zhòngyàoxìng jiàoxiǎo.

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Estrogen helps women grow during puberty and is part of the menstrual cycle. During menopause, estrogen levels go down. The male hormone that is similar is androgen.

Cíjīsù bāngzhù nǚrén zài qīngchūnqī chéngzhǎng, shì yuèjīng de yībùfèn. Zài gēngniánqī, cí jīsù shuǐpíng xiàjiàng. Lèisì de nánxìng jīsù shì xióngjīsù.