Am i seeing right?

I have hypothyroidism and last year i had 2 miscarriages. Finally, 33 days ago, i started my thyroid meds. And today i checked my <a href="https://play.google.com/store/apps/details?id=com.glow.android.eve">period tracker</a> said it was day 30th in my cycle but I’ve never had more than 28 days cycles so i decided to test. It looks like positive, could it be because of the medication? I don’t want to get exited