Implantation bleeding ?

So re-posting. I had this light bleeding for only 2 days just when I wiped, even wore a panty liner all day just in case I leaked and never did. Someone said it may be my period but 1. I’ve never spotted before my period and 2. This only lasted 2 days..no other heavier bleeding and this was about a week or 2 ago. I’m thinking it’s implantation bleeding but I’m not sure as I’ve never had this happen. I’ve also been peeing like crazy, so exhausted and having light cramping and back pain with other symptoms but could also just me PMS symptoms. I haven’t taken a test because I’m not sure if/when I should.