Ovidrel 250mcg- BFP to BFN/BFP 13DPT

knottie4957af080324ddf3

Hi Ladies! I’m currently going through my first IUI cycle with 250 mcg Ovidrel shot. I sporadically tested my trigger line and got some confusing results - hoping for some insight. I tested positive on a FRER on 10DPT/8DPO. Next day, I tested positive on a Digital Clear Blue 11DPT/9DPO, I was so excited thinking it was enough time for the shot to leave my system. I tested yesterday, 12DPT/10DPO with clear blue and there was a faint line.I tested again today, 13DPT/11DPO and still have a very faint line on FRER and on cheepie test but then I got a negative on Digital. Wondering if it was just the trigger shot and I’m out for the count. Anyone experience this before? Thanks ladies.