Implantation bleeding?

Hi all! So I am due to get my period on the 16th, well 2 days ago on the 8th I started having some spotting. Very very light pink it only happened twice when I went to the bathroom that day, wasn’t continuous and it was only there the first wipe. On the 9th, yesterday I had the same thing except it happened probably 4 times and twice it was really really light pink and then twice it was really brown, not pink or red at all just brown, and now following into today I woke up with a little brown blood when I wiped and then again just now more brown blood but there was alittle pink mixed in. I have been wearing a pad because I thought maybe my period was starting early, but when this started that would have been 8 days early which is not normal for me at all. Anyways, I have not bled enough to bleed onto the pad or anything, it’s only when I wipe. I was about 9-10 dpo when this started. Also, usually before my period I cramp in one of my ovaries well I am cramping a good bit but it’s not in my ovaries it’s in like the direct middle of my lower stomach. I have been pregnant 3 times, all ended in miscarriage unfortunately but I have never experienced implantation bleeding, so I’m not sure if that could be this or just my cycle trying to start and being weird.