confuse

ok question girls, i hope somebody can help me out. last month i got my period april 12, usually i have my period around 8 of the month. i had some like brown little drop on april 6 thru 8, then it stop. so april 12 finally got my reagular period, but my period last for 8 days heavy period. and then i thought after that, im gone. after 3 days i got red spot everyday for almost a week, then it stop. on the last week of the month i had my period again but not that heavy like the first one, but it last until may 5th. and this month i should have my period yesterday, but i dont have it until now. im affraid to take the pregnancy test cause i dont want to be dissapointed again. please help me what to do.