PERIOD OR SPOTTING?

kayla

I had started spotting on the 11th flow say my expected period was the 13th but glow says it was the 10th so I spotting from the 11-12 and my flow came on the 13th it was a medium flow and I did feel cramps but by 9pm on the 14th it was no longer here. My question is was that implantation or my period can someone help me??