menstrual cycle

月经周期

Meno pause occurs when the ovaries gradually lose the ability to produce estrogen and progesterone, the hormones that govern the menstrual cycle.
当卵巢渐渐失去分泌雌激素和黄体酮--控制月经周期的荷尔蒙--的能力时，更年期就来了。收藏
Undergoing a menstrual cycle.
月经期的处于一个月经期的收藏
Of or relating to the phase of the menstrual cycle immediately following ovulation,characterized by secretion of progesterone.
排卵期前的紧随着排卵的月经周期的一个阶段的或与其有关的，以黄体激素的隐藏为特征收藏
The length of the menstrual cycle and periods may vary; flow may lessen or increase.
月经周期和持续时间因人而异，经血流量可能减少或增加。收藏

a recurring cycle (beginning at menarche and ending at menopause) in which the endometrial lining of the uterus prepares for pregnancy; if pregnancy does not occur the lining is shed at menstruation
- the average menstrual cycle is 28 days

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