Yesterday I could tell when I wiped that it was slightly a different color and I have been crampy so I thought maybe AF was coming. This morning when I wiped it was a light brown, not discharge. I am wearing a panty liner but there hasn't been anything on it and there is still a different color when I wipe. Usually when AF comes it is usually a light blood the first time I wipe and then full on heavy the next time. So this is a little different for me and my first time TTC so I don't know if this sounds like implantation bleeding or not? Any thoughts would be great!