Spotting or period!!?

Allison • Baby number 1 on the way ♥️
Ok so I'm suppost to get my period on the 31 & yesterday I had a little blood and I put in a tampon just in case I got it early & then I took it out it was clean then I put another one in & there was a little bit of blood not a lot just a spot I don't know what to do is it my period or what ? should I take a test? help please :(