The uterine lining thickens during the menstrual cycle.

子宫的内膜在月经周期中变厚。

She keeps a diary to track her menstrual cycle.

她保持一个日记来记录她的月经周期。

The levels of estradiol fluctuate during the menstrual cycle.

雌二醇的水平在月经周期中波动。

The doctor prescribed progesterone to help regulate her menstrual cycle.

医生开了黄体酮来帮助她调节月经周期。

The corpus luteum plays an important role in the menstrual cycle.

黄体在月经周期中起重要作用。

Ovulation usually occurs around the 14th day of a woman's menstrual cycle.

排卵通常发生在女性月经周期的第14天左右。

Unless your menstrual cycle is very long.

除非你的月经周期很长。

This increase is physiologic with a normal menstrual cycle.

这是伴随正常月经周期的生理性增生.

Secondly, women's attraction changes throughout menstrual cycle.

第二，女性的吸引随月经周期而变。

Pituitary - ovary - endometrium changes relationship in menstrual cycle.

月经周期中垂体 - 卵巢 - 子宫内膜变化间的关系.