amenorrhea

• 医学术语，指育龄期女性正常月经缺失或停止。可包括原发性闭经（从未有过月经）或继发性闭经（曾有月经但停止）。

A medical term referring to the absence or suppression of normal menstrual flow in a person of reproductive age.

不可数

1. Absence of menstruationC1formalmedical

   The absence or abnormal suppression of menstrual periods in a woman of reproductive age.

   闭经

   • The doctor diagnosed her with primary amenorrhea because she had never started menstruating.
   • Stress and extreme weight loss can cause secondary amenorrhea.
   • Treatment for amenorrhea depends on the underlying cause.