IUI help

Rachael

I need some advise, I had my 1st IUI on 11/19/18, period was due on 12/4/18. Tested on 12/4 and got Bfn, was also on progesterone which I know can delay your period. Has anyone else been here before? I am wondering if I should stop taking the progesterone and see if af shows up or if I should go do a beta test.

Thanks!