Period day change?

Question

I logged no lh surge today based on an ovulation test, and it moved my period up 3 days so I'm now due for AF on the 10th instead of the 13th...why did that change?

Answer

I ovulated day 11, which I don't think has ever happened before, so I suppose that could be it

Answer

It's because you normally ovulate half way through your cycle ( 28 day cycle = day 15  for ovulation ) ( 30 day cycle= day 16 for ovulation). Sometimes your cycles changes. Mine goes form 28 to 32 :/ this month it was 30 days long and I ovulated day 16

Period day change?

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