Need help

I just found out im pregnant but dont know how long on November 15th i had my period and started bleeding December 10th that was last month and very lightly for 2days and it stopped and started the next day again and stopped by than i already had pregnancy symtoms like bloated, headaches, fatigues vomiting, nausea, breast tenderness and high appetites and i tested last month around 6 times it showed nothing so i thought there was really nothing i thought it maybe because im gaining weight till i tested 3 days ago im so confused