Premenstrual syndrome (PMS) means that the symptoms you have before your period starts—like breast tenderness or irritability—are so bad that they interfere with your life.
|Primary Medical Reviewer||Sarah Marshall, MD - Family Medicine|
|Specialist Medical Reviewer||Kirtly Jones, MD - Obstetrics and Gynecology|
|Last Revised||October 9, 2012|
WebMD Medical Reference from Healthwise