menstrual_cycle
1. [ noun ] 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
Examples:

"the average menstrual cycle is 28 days"

Related terms: cycle safe_period secretory_phase fertile_period menstrual_phase
Similar spelling:   menstrual_phase
  menstrual_flow
  menstrual_blood
  menstruation
  menstruating