There are so many euphemisms that we put on in society to not have to say the word menstruation.

社会上有很多委婉语，不用月经这个词。

This is where menstruation fits in.

月经刚好符合这份工作。

Menstruation is really just a very normal body life cycle.

月经其实只是一个非常正常的身体生命周期。

I realized how little I knew about menstruation myself.

我才意识到自己对月经知之甚少。

Good data concerning the effects of menstruation on athletic performance are scant.

关于月经对运动成绩影响的好数据很少。

Everyone in the village just assumes I was there to speak about menstruation.

村子里所有都认为我只是来论经期的。

Every month, a healthy fertile woman loses an amount of blood in menstruation.

每个月，一名健康的育龄女性在月经期间都会流失掉部分血液。

In particular, many said they suffered in the weeks immediately before and during menstruation.

特别是，许多说他们在生理期前和生理期期间很痛苦。

PMS involves negative behavioral, cognitive and physical symptoms from the time of ovulation to menstruation.

经前综合征包含了负面的行为、认知 和身体上的一系列症状，从排卵期延续到月经期。

She's going to try to sell it on menstruation.Will you do this for me?

她想拍月经这个主题 你 很帮我的忙吗？

These stories would make girls curious and interested in talking about menstruation in their close circle.

让其他女孩在这个 属于她们自己的圈子里好奇并感兴趣地论这个问题。

In females, primary sex characteristic dysfunction includes amenorrhea or absence of menstruation, or oligomenorrhea or irregular menstrual cycle.

在女性中，第一性征的功能障碍包括闭经，即无月经，或月经减少，即月经周期不规则。

The first stage of the cycle is menstruation, and occurs if the egg has not been fertilized.

月经周期的第一阶段是月经，发生在卵子尚未受精的情况下。

The one symptom of both primary and secondary amenorrhea is, well, the absence of menstruation.

原发性和继发性闭经共有的一个症状是没有月经。

I undertook a year-long research to study the lack of awareness about menstruation and the root cause behind it.

我用了一年的时间来 研究为什么月经问题一直被忽视和根植于背后的问题。

If pregnancy does not occur, the lining breaks down and is expelled from the uterus; this is known as menstruation.

如果没有怀孕，子宫内膜会破裂并从子宫排出；这就是所谓的月经。

Menstruation is still a taboo topic in China, despite growing awareness and public campaigns to end the stigma around periods.

月经在中国仍然是一个禁忌话题，尽管们越来越意识到并开展了公众运动来结束月经带来的耻辱。

But with menstruation, that choice comes from the ovary.

但是对于月经，这种选择来自卵巢。

You are at odds with " menstruation" ?

连" 月经" 你也觉得不妥？

All right, as a quick recap… amenorrhea is the abnormal absence of menstruation in females of reproductive age.

好！快回顾一下：闭经指育龄期女性无月经或月经异常停止。