<prompt> Answer this question truthfullyCould you provide me with the exact sentence that needs to be rephrased? It appears to be already proper English.  <response>: <reason> Premenstrual syndrome Dysmenorrhea Bipolar disorder Major depressive disorder Persistent depressive disorder dysthymia Use of hormonal therapy PMDD is similar to premenstrual syndrome PMS, but differs from it in severity and in that it requires treatment, because it interferes with the sufferers ability to function in her environment. The cardinal symptom--surfacing between ovulation and menstruation, and disappearing within a few days after the onset of the bleeding--is irritability. Anxiety, anger, and depression may also occur. The main symptoms, which can be disabling, include 