Your post is sort of hard to follow, but all you need to know
If your period is late, take a sensitive home pregnancy test using a first morning urine sample. If it is negative, you can test again in a few days to a week later if your period does not arrive in the meantime.
If you are still confused after that, see your doctor.
and tingly nipples COULD be a pregnancy symptom, but they could JUST as easily be a symptom of nothing at all.