When should i test?

Ellie

For the last year almost my period has been consistent except for an std which cause it to come a week earlier after treatment it went back to normal. Glow has always been on point. And if not I’ve always come a day early never later and never more than a day early. I’m 2 days late. Yes I’m trying. I’ve been trying for over 4 years and after miscarriages I’m scared. Any thoughts?