Im confused

Hi so basically i my last period was aug 6-10 i had sex on august 21 then after 3 days i started bleeding that lasted for 3 days aug 25-27 it was just the right amount of bleeding it had some clots it was red slightly darker im confused cause on the flo app i was supposed to get my period around september 5-7 my cycle is normal can someone help me😔

submitted by /u/Quirky_Scar5607
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