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Child Health Library

Our Health Library information does not replace the advice of a doctor. Please be advised that this information is made available to assist our patients to learn more about their health. Our providers may not see and/or treat all topics found herein.

Premenstrual Syndrome

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.