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单词 menstrual cycle
释义 Noun: menstrual cycle
  1. 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"

Derived forms: menstrual cycles

Type of: cycle, oscillation

Encyclopedia: Menstrual cycle

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