Both FSH and LH are secreted by the pituitary gland.

FSH LH 都是由垂体分泌的。

These are follicle stimulating hormone, or FSH, and luteinizing hormone, or LH.

这包括卵刺素（FSH）、促黄体生成素（LH）。

So notice RH: right hand, LH: left hand.

所以注意”RH“代表右手，”LH“代表左手。

No ovarian follicles also means no estrogen and progesterone, which leads to high levels of FSH and LH.

没有卵意味着没有雌素素，这导致FSHLH水平处于高位。

LH binds to LH receptors on theca cells and they make progesterone and androstenedione.

LH与卵内膜细胞上的LH受体结合，产生黄体酮雄烯二酮。

There are two other hormones also involved — the follicle-stimulating hormone, or FSH, and the luteinizing hormone, or LH.

另外还有两种素——促卵素（FSH）黄体生成素（LH）。

Specifically, ovulation doesn't occur, so progesterone levels don't rise enough to inhibit LH production.

具体来说就是没有发生排卵，因素水平升高不足，没能抑制LH的产生。

LH causes the mature egg to be released from the ovary and stimulates the release of progesterone.

黄体生成素使成熟的卵子从卵中释放出来，并刺黄体酮的释放。

This leads to low serum estrogen and high FSH and LH.

这会导致低水平的血清雌素以及高水平FSHLH。

Now, it's not clear exactly what causes PCOS, but there seems to be an imbalance between LH and FSH levels.

我们现在还不清楚多囊卵综合征的病因，但似乎是LHFSH之间的平衡被打破了。

If that's negative, diagnosis requires serum levels of FSH, LH, estrogen, prolactin, TSH and testosterone.

如果没有怀，需要检测血清中的FSH、LH、雌素、泌乳素、TSH睾酮水平以进行诊断。

Luteinized theca cells respond to the low LH concentrations after ovulation by producing more progesterone.

LH水平降低会使黄素化的内膜细胞生成更多黄体酮。

During the luteal phase, the remnant of the ovarian follicle, called the corpus luteum, makes progesterone, which negatively inhibits pituitary LH.

在黄体期，残余的卵，称为黄体，分泌素，通过负反馈作用抑制垂体分泌LH。

Lufthansa Flight LH 203 leaves at 0920.

--汉莎航空 LH 203 航班于 0920 起飞。

Without FSH, estrogen levels fall, and the amount of LH goes back to the level before ovulation.

没有了FSH的刺，雌素水平开始降低，LH的水平也会回到排卵前。

ICSH is the male equivalent of LH.

ICSH又被称为LH。

However, estrogen acts a negative feedback signal – that is, it tells the pituitary to secrete less FSH and LH.

但是雌素却会起负反馈的作用，它会使垂体FSHLH的分泌减少。

The egg cells grow and estrogen levels peak, inhibiting the production of FSH, and telling the pituitary to pump out more LH.

伴随着卵细胞的成长，雌性素的分泌也将达到峰值，同时抑制促卵素，促进垂体释放更多的黄体化素。

Next, there's functional hypothalamic amenorrhea, which is when there is a decrease in GnRH secretion, leading to low levels of LH, FSH, and estrogen.

其次是功能性下丘脑性闭经，即由于GnRH分泌下降导致LH、FSH雌素水平下降。

The hypothalamus secretes gonadotropin-releasing hormone, or GnRH, which makes the nearby anterior pituitary gland release follicle-stimulating hormone, or FSH, and luteinizing hormone, or LH.

下丘脑分泌促性腺素释放素，即GnRH，刺临近的垂体前叶释放卵刺素（FSH）黄体生成素（LH）。