Negative FRER but positive clearblue?

Hi ladies! Husband and i have been TTC for 9 months. We had a miscarriage in December.

I’m 17 DPO and AF was due Monday and didn’t show. I’ve been taking tests and my first FR on Monday was positive! Each morning following they seemed a little fainter. Well I went and purchased the clear blue yesterday and I got a semi decent line!then this morning I decided to try one FR and one clearblue. The FR was negative and the clearblue looked to be a solid positive and darker than yesterday. Are clearblues bad tests? Should I be testing in the afternoon?. Not too sure what to do at this point.

I’d like to get a blood test done but not sure how. My OBGYN requires us to go to a clinic to confirm our pregnancy with a urine test before they will see us. Help!