PMS
noun [uncountable]physical and emotional problems such as pain and feeling depressed that many women experience before their period (= flow of blood) each month. PMS/PMT are abbreviations for ‘premenstrual syndrome/tension’. 月经前综合征，经前紧张症（又称 PMT，全写为 premenstrual syndrome 或 premenstrual tension） Symptoms of PMS include breast tenderness and a craving for sweet food. 经前综合症的症状包括乳房触痛和渴望甜食。