|premenstrual syndrome or premenstrual tension|
|PMS, Abbreviation: PMT a group of symptoms, including nervous tension and fluid retention, any of which may be experienced as a result of hormonal changes in the days before a menstrual period starts|
|premenstrual tension or premenstrual tension|
premenstrual syndrome n.
Abbr. PMS A group of symptoms, including abdominal bloating, breast tenderness, headache, fatigue, irritability, and depression, that occur in many women from 2 to 14 days before the onset of menstruation. Also called premenstrual tension.