1. menstruation; a (menstrual) period;《口》 one's period
    • 月経がある[ない]
    • have one's [no] period
    • 月経中だ
    • She is menstruating [《口》 having her period].
    • 彼女の月経は順調です
    • Her periods are regular.
    • 月経が1週間以上遅れている
    • My period is more than a week late.
  1. 月経過多profuse menstruation;〔医学用語〕hypermenorrhea
  1. 月経困難症〔医学用語〕dysmenorrhea
  1. 月経時the menstrual period
  1. 月経周期a menstrual cycle
  1. 月経障害menstrual disorders
  1. 月経帯a sanitary napkin [《英》 towel]
  1. 月経痛menstrual pain;《米口》 the cramps
  1. 月経前症候群premenstrual syndrome ((略 PMS))
  1. 月経不順irregular menstruation; menstrual irregularity
  1. 月経閉止期((go through)) (the) menopause