Confusion

Can someone please answer my question i have had 12 postive test different time frames and different tests i went to the doctor they did a pee test and blood test it was a positive and negative one they was both negative. That was about 2 weeks ago my last period was January 6th and it wasnt normal it was brown spotting and two days of light bleeding then brown spotting again and i completly stopped. Im so confused i have no i dea if im pregnant or not. But i still keep getting really faint and some dark positive home tests please help