When did I O?

Question

I got what looks to me to be pos on cd 12 and 13 with fmu. When did I O?  The bottom and forth from bottom. ​

Answer

Looks like 13 was the surge and you then ovulated 12 to 48 hours later

Answer

My Wondfo LH strips came with an instruction pamphlet. It says "Ovulation is likely to occur within 24-48 hours. This is your most fertile time. Sexual intercrourse is advised during this time frame." So you O'd on day 13 or 14.

Answer

Cd 13 looks like

When did I O?

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