Both FSH and LH are secreted by the pituitary gland.

FSH LH 都是由垂。

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

这包括卵泡刺激素（FSH）、促生成素（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.

没有卵巢滤泡意味着没有雌激素孕激素，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与卵泡内膜细胞上LH受结合，产生雄烯二。

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

另外还有两种激素——促卵泡激素（FSH）生成素（LH）。

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

具来说就是没有发生排卵，因此孕激素水平升高不足，没能抑制LH产生。

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

生成素使成熟卵子从卵巢中释放出来，并刺激释放。

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

这会导致低水平血清雌激素以及高水平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巢综合征病因，但似乎是LHFSH之间平衡被打破了。

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

如果没有怀孕，需要检测血清中FSH、LH、雌激素、乳素、TSH睾水平以进行诊断。

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

LH水平降低会使素化内膜细胞生成更多。

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

在期，残余卵巢滤泡，称为，孕激素，通过负反馈作用抑制垂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刺激，雌激素水平开始降低，LH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.

但是雌激素却会起负反馈作用，它会使垂FSHLH减少。

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

伴随着卵细胞成长，雌性激素也将达到峰值，同时抑制促卵泡激素，促进垂释放更多化激素。

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下降导致LH、FSH雌激素水平下降。

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.

下丘脑促性腺激素释放激素，即GnRH，刺激临近垂前叶释放卵泡刺激素（FSH）生成素（LH）。