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If i started my period dec 3 2012 i go for 7 days im a 30 day cycle when should I start my period for jan 2013?

1 doctor weighed in
Dr. Stephen Richards
Obstetrics & Gynecology

In brief: Period

If you have a 30 day cycle (1st day to 1st day), should have started about jan 2.
There is normal variation, +/- a few days.

In brief: Period

If you have a 30 day cycle (1st day to 1st day), should have started about jan 2.
There is normal variation, +/- a few days.
Dr. Stephen Richards
Dr. Stephen Richards
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