IUI procedure

Jessica
I'm interested in getting an <a href="https://glowing.com/glow-fertility-program">IUI</a> procedure but I have questions, can anybody help me
1. My period is irregular so how will I know when to have the procedure done?
2. Would it be better at a OBGYN or at a fertility clinic?
3. Is there anything that can predict fertile and ovaulation days at home with a irregular period?