Implantation or withdraw bleeding?

I’m 10DPO and just went to the restroom and there’s some very pink blood. I finished my pack of birth control right before we decided to try for #2. Do you think this is implantation bleeding or a withdraw bleed? I have never had this color before. I did track and ovulate after stopping the pill 🤷🏻‍♀️😭

Ps sorry I know it’s nasty!

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