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A member asked:
My last per was last month friday the 13th my cycle length is 30 days . . when do iovulate ?
A doctor has provided 1 answer
If regular,...: If you are regular, and always 30 days, then your next period would be october 13th. You ovulate 14 days prior to your period, so you would have ovulated around 9-30-13.
Answered 10/4/2013
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