A member asked:

If my last 4 cycles were very regular (29-30days) then what can make my period/ovulation late in this cycle with a negative pregnancy test? i'm 21yrs.

A doctor has provided 1 answer

Menstrual: Irregularities are not uncommon and anovulatory cycle is one cause. See this site for more information on the subject. http://www.nichd.nih.gov/health/topics/menstruation/conditioninfo/pages/causes.aspx.

Answered 1/29/2014

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Thank

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