amenorrhea

例句：

1. 1.She was diagnosed with amenorrhea after her surgery.
   她手术后被诊断为无月经。
2. 2. Amenorrhea can be caused by various factors such as stress and hormonal imbalances.
   无月经可以由各种因素引起，如压力和激素失衡。
3. 3. The doctor prescribed her medication to treat her amenorrhea.
   医生给她开了药来治疗她的无月经。