I need help

Desiree

Its supposed to be my third day on my period today. I been having dark old blood discharge but not alot for the past 2 days. My boobs hurt and i been so so tired. Feel crampy but no actual period. I always grt my period thr same time every month. Idk if im pregnant or not i haven’t took a test because im scared ill be crushed again with another neg. idk if i should wait or take a test