Help i dont know where else to ask this

So i had what i though was my period 16 days ago, but i felt really sick so i took a test, and it was positive, so i though chemical.. i have had one before, fast forward to today and my tests is still positive, i have been feeing exhausted and sock so i tested again... i literally peed 2 hours ago.. but could i still be pregnant or is it a chemical?