The性器官-女性性器官
Sex Organs - The Female Sex Organs

月经周期：绝经

通常在45-50岁之间，女性将会注意到她的月经周期变得越来越没有规律，最终，她完全停止了月经。这种永久的月经停止称为绝经。有一个宽泛的术语，既更年期（climacteric 自希腊语： critical period，危机时期) ，它用来定义妇女一生在这个时期所发生的综合生理和心理变化。

The Menstrual Cycle: Menopause

Usually between the ages of 45 and 50 a woman will notice that her menstrual cycles become more and more irregular until, eventually, she ceases to menstruate altogether. This permanent cessation of menstruation is called menopause. A broader term, climacteric (gr.: critical period), refers to the general physiological and psychological changes that occur during this time in a woman's life.