Dpo ?

So my doctor told me to trigger Friday at 1am... how many days am I (dpo)? I had an <a href="https://glowing.com/glow-fertility-program">iui</a> on Saturday so do I consider the <a href="https://glowing.com/glow-fertility-program">iui</a> or the trigger on when I should take my pregnancy test? Thank you in advance 😊