At 22, “Yang” began experiencing irritability, mood swings, breast tenderness, and headaches about a week before her period. Sometimes the headaches were so severe that she could only rest in bed.
Her symptoms were typical of premenstrual syndrome (PMS), which refers to the physical discomfort and psychological or behavioral changes that some women experience before their menstrual period. In addition to the symptoms mentioned above, other possible symptoms may include bloating, abdominal pain, fatigue, acne breakouts, diarrhea or constipation, insomnia, difficulty concentrating, and increased or decreased appetite.





