A member asked:

20 year old female, menstrual cycle has dropped from 33 days in length in february to just 11 days this time. what could be causing this?

A doctor has provided 1 answer
Dr. Henry Jacobs answered

Specializes in Obstetrics and Gynecology

Lack of ovulation: in cycles where ovulation has not occurred, the period loses its clock and this can last for several cycles where the time between periods can remain messed up and vary greatly.

Answered 8/14/2014

3.8k views

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