Help please 😫

I had my birth control (Mirena IUD) taken out on June 24th. I decided to start tracking my bbt to help me figure out if I’m ovulating since I just had it removed.

My chart seems.. all over the place? The “period” on 6/26 was only triggered by having my IUD removed. I had my normal expected period June 6th-10th and bled again after the removal. The fertile window that’s marked is just what this specific app marks. I just don’t understand how to read the charting at all. I’m taking my temperature at approximately 7:30am before I get up or out of bed.