Okay guys I need help

Courtney💜 • TTC baby #2!! 😘

So I started my period last month the 6th. Up until yesterday my thing told me now I ovulated later and now my period is the 13th??? Makes no sense today would've been 13 dpo so now is it really 5dpo?! This app got me messed up!!! I mean if I did ovulate later I did baby dance so idk what is going on! I haven't gotten my period today IM CONFUSED HELP ME