Maybe implantation bleeding? Maybe period?

My period was 2 days late, I went to work this morning and started cramping. I went to the bathroom and I’m bleeding but it’s not my normal period blood, I put a pad on and I’ve had it on since 4:10pm and I’ve only bled in one spot, very light. The blood is a pinkish color. I’m just confused because I’m trying to get pregnant and my period was late but now bleeding