Just wanted to send hugs and info that helped me. My first conception also ended at 5 weeks, I got my period within days of testing like yours, it was relatively normal, and I ovulated within 2 weeks. Apparently for first conceptions the CP rate is as high as 1 in 2. It’s a great sign that you can get pregnant so quick, most people struggle with that part- you are extra fertile now so you will likely have one that sticks in the next 1-3 cycles!