月经期

例句：

1. 1. During her menstrual period, she often feels unwell.
   在她月经期间，她经常感到不舒服。
2. 2. The doctor advised her to take a rest during her menstrual period.
   医生建议她在月经期间休息一下。
3. 3. Many women find it difficult to cope with their menstrual periods.
   许多女性发现很难应对她们的月经。