I need help!!!!

So for a while now I've been taking test I've taken 9 test 3 negative which were all taken in the evening and 5 positive which were all taken first pee of the day I went to the doctor on the 1st to take a pee test and it came back negative I went a 1pm and before I got there I pee'ed like 6 times they want me to come back on the 15th for another urine test and I'm just us sure they also stated they believe I'm a lot earlier the. I thought about like 2-3 weeks so has anyone else exprienced this?