A member asked:

What are some of the common causes of irregular periods?

A doctor has provided 1 answer

PCOS, Hormones: Irregular periods can be those that occur too often, too infrequently, are very light or very heavy. They can be caused by polycystic ovarian syndrome, pregnancy, hormone changes, perimenopause, and medications. Other causes include elevated prolactin levels or thyroid problems.

Answered 7/15/2013

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