premenstrual tension

例句：

1. 1.She was diagnosed with premenstrual tension and needed to take medication.
   她被诊断出患有经前紧张症，需要服药。
2. 2. Many women experience premenstrual tension during their menstrual cycle.
   许多女性在月经周期中会经历经前紧张症。
3. 3. The cause of premenstrual tension is not fully understood, but it is believed to be related to hormone imbalances.
   经前紧张症的原因尚未完全明了，但据信与激素失衡有关。