Could Light Pinkish Spotting Indicate Implantation Bleeding?

I m just concerned that I have been noticing light pinkish blood really light when I wiped after a pee also I have been using a tampon as I was concerned it would go onto my underwear which when I changed myself it showed Brown old blood like a discharge look. this has been happening for about a Week now I have been trying for a baby but I need to now if these r the symptoms of implantation thanks