Hard to read this opk

I am scheduled to do an

<a href="https://glowing.com/glow-fertility-program">IUI</a>

this week I finish my letrozole all on Saturday last week now I took an ovulation test and it looks positive to me that I can’t really tell I have a creamy discharge today which I never had before do you think I’m ovulating please help I’m not sure if I should call Dr. today