21-35 days: A period should come every 21-35 days which as you can see is not once a month. If you are following a regular predictable pattern then your cycles are regular. If not then schedule a visit and let an obgyn evaluate you.
Answered 1/15/2014
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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