Implantation bleeding?

So when I woke up this morning to use the bathroom I noticed a tiny bit of light blood on my panties. When I went to wipe it was nothing but light and very faint red blood. I've also been having really sharp pains in my low abdominal. Crazy thing is, I never cramp at all when I'm on my period! There's NO way in hell I'm supposed to be starting this early because I started my period last month on the 27th. I don't start for another week 1/2 which is due on the 25th. My sister told me to take a pregnancy test but I'm afraid it's too early. But most of all, I don't wanna get my hopes up like I did a few months ago..  Any words of advice would be great from you amazing ladies!