12dpiui...faint lines??

Hi all..I did an <a href="https://glowing.com/glow-fertility-program">iui</a> on 6th of December and I had a trigger on 4th of December..I tested out my trigger..it was gone by 9dpo..I got a faint lines yesterday and today...I had a cramps on 8dpo... today is 12dpo..still I am getting faint lines...I am afraid.. please help