Is it possible?

Is it possible that if I had my last period march 13th and it was dye this month on the 10th . and now im just getting a faint bfp that maybe I ovulated late ? . im trying to figure out maybe how far I am of if im further along and that's why my tests are doing that because when I was so many months my tests wouldn't be positive, positive . idk im just really confused has this happened to anyone or something and you were further along . Something just doesn't add up