So sad!!!

Ok so here it goes on the 22 i spouses to have my period but my period never came so on the 26 i did a pregnacy test and it came out positive but then on the 27 I started getting some brown discharge i tested agan and it said negative so i went to the doctor and they told me my blood test was a little confusing they said to wait and come back within 3 days on the 29 my discharge stop on  midnight I started cramping alot and i dont know if it was my period but alot of blood came out when i went to pee i did not go to the doctor because it seem lime my period could it be that my period was late?