amenorrhea
amenorrhea — 名詞
1. a medical condition in which a woman of childbearing age does not have her month
無月經；閉經
婦女月經異常停止或從未來潮的情形
a medical condition in which a woman of childbearing age does not have her monthly periods, either because they never started or because they later stopped
Doctors diagnosed Tara with amenorrhea after her periods stopped for six months.
Tara 的月經停了六個月後，醫師診斷她患有無月經症。
diagnosed with amenorrhea — common verb collocation
Months of intense marathon training caused amenorrhea in several young runners.
連續數月的馬拉松高強度訓練，導致幾名年輕跑者出現無月經的狀況。
cause amenorrhea — cause-and-effect pattern
Élise visited a clinic to find out why her amenorrhea had lasted a year.
Élise 到診所，想了解她的無月經為何已經持續了一年。
Sudden weight loss is a frequent cause of amenorrhea in teenage girls.
體重驟降是青少女發生無月經的常見原因。
The nurse explained that pregnancy is the most common reason for amenorrhea.
護理師解釋，懷孕是無月經最常見的原因。
- absent menstruation
plain-language description rather than the clinical single-word term
- eumenorrhea
clinical term for normal, regular monthly periods
用法筆記
Often classified as either primary (periods never begin) or secondary (established periods later stop), so a diagnosis usually names which type applies.