目的是调查月经初潮的影响。

The objective is to investigate the effects of menophania.

youdao

我们睡眠最好的时间是在九岁和初潮期。

“The best sleep we ever get is between age nine and menarchy, ” she adds ruefully.

youdao

你初潮是在什么年龄？

At what age did you start having periods?

youdao

初潮在什么年龄？

At what age did you begin menstruating?

youdao

初潮在什么年龄？

At what age did you begin menstruating?

youdao