Am i going mad or pregnant ?

ok so im due my period 7th which is today i did 5 tests they said positive two days later i did more and start getting negatives now last munt i taught i was and got a period lasting 2 days and was brownish discharge looking never had such a light period before ***** believe it and now ive been feeling twinges in my stomach and bloatiness and peeing alot but tests are saying negative now dont know very confused because im feeling twinges like a twitch in my stomach