9 days past IUI 11 days post trigger?! Is this positive?!

My subject line says it all, I'm 9 days past <a href="https://glowing.com/glow-fertility-program">IUI</a> , and 11 days post HCG trigger shot, there a gain line here is this my BFP?! Anybody have this happen to them or know how many days post trigger shot for it to be out of your system?! Have been trying for 14 months!!!!!  Ps my nipples are on fire lol