US after iui

My LMP is 7/31, my <a href="https://glowing.com/glow-fertility-program">IUI</a> was 8/13.

The nurses told me they base my wks from my LMP.

has anyone had a 6 wk US after their <a href="https://glowing.com/glow-fertility-program">IUI</a>, and did you see anything on it?